diff --git a/frontend/blockcontainer/package-lock.json b/frontend/blockcontainer/package-lock.json
index 1763899..44ae2db 100644
--- a/frontend/blockcontainer/package-lock.json
+++ b/frontend/blockcontainer/package-lock.json
@@ -63,7 +63,7 @@
       "dependencies": {
         "acorn": {
           "version": "3.3.0",
-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
           "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo="
         }
       }
@@ -1667,7 +1667,7 @@
     },
     "chalk": {
       "version": "1.1.3",
-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "requires": {
         "ansi-styles": "^2.2.1",
@@ -2912,9 +2912,9 @@
       "integrity": "sha1-s55/HabrCnW6nBcySzR1PEfgZU0="
     },
     "dns-packet": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/dns-packet/-/dns-packet-1.3.1.tgz",
-      "integrity": "sha512-0UxfQkMhYAUaZI+xrNZOz/as5KgDU0M/fQ9b6SpkyLbk3GEswDi6PADJVaYJradtRVsRIlF1zLyOodbcTCDzUg==",
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/dns-packet/-/dns-packet-1.3.4.tgz",
+      "integrity": "sha512-BQ6F4vycLXBvdrJZ6S3gZewt6rcrks9KBgM9vrhW+knGRqc8uEdT7fuCwloc7nny5xNoMJ17HGH0R/6fpo8ECA==",
       "requires": {
         "ip": "^1.1.0",
         "safe-buffer": "^5.0.1"
@@ -3908,7 +3908,7 @@
       "dependencies": {
         "combined-stream": {
           "version": "1.0.6",
-          "resolved": "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+          "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
           "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
           "requires": {
             "delayed-stream": "~1.0.0"
@@ -3966,7 +3966,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3984,11 +3985,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -4001,15 +4004,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -4112,7 +4118,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4122,6 +4129,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -4134,17 +4142,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -4161,6 +4172,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4233,7 +4245,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4243,6 +4256,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4318,7 +4332,8 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4348,6 +4363,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -4365,6 +4381,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4403,11 +4420,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -4880,7 +4899,7 @@
     },
     "http-errors": {
       "version": "1.6.3",
-      "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
       "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
       "requires": {
         "depd": "~1.1.2",
@@ -6805,7 +6824,7 @@
     },
     "os-locale": {
       "version": "1.4.0",
-      "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
       "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
       "requires": {
         "lcid": "^1.0.0"
@@ -8993,7 +9012,7 @@
         },
         "jsonfile": {
           "version": "2.4.0",
-          "resolved": "http://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
           "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
           "requires": {
             "graceful-fs": "^4.1.6"
@@ -9097,7 +9116,7 @@
             },
             "strip-ansi": {
               "version": "3.0.1",
-              "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
               "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
               "requires": {
                 "ansi-regex": "^2.0.0"
@@ -9290,7 +9309,7 @@
             },
             "os-locale": {
               "version": "1.4.0",
-              "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+              "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
               "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
               "requires": {
                 "lcid": "^1.0.0"
@@ -9337,7 +9356,7 @@
             },
             "strip-ansi": {
               "version": "3.0.1",
-              "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
               "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
               "requires": {
                 "ansi-regex": "^2.0.0"
@@ -9366,7 +9385,7 @@
             },
             "yargs": {
               "version": "6.6.0",
-              "resolved": "http://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
+              "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
               "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
               "requires": {
                 "camelcase": "^3.0.0",
@@ -10757,7 +10776,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "requires": {
         "ansi-regex": "^2.0.0"
@@ -11182,7 +11201,7 @@
         },
         "yargs": {
           "version": "3.10.0",
-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
           "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
           "requires": {
             "camelcase": "^1.0.2",
@@ -11847,12 +11866,12 @@
         },
         "uuid": {
           "version": "2.0.3",
-          "resolved": "http://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
           "integrity": "sha1-Z+LoY3lyFVMN/zGOW/nc6/1Hsho="
         },
         "yargs": {
           "version": "6.6.0",
-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
           "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
           "requires": {
             "camelcase": "^3.0.0",
@@ -11903,7 +11922,7 @@
         },
         "jsonfile": {
           "version": "2.4.0",
-          "resolved": "http://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
           "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
           "requires": {
             "graceful-fs": "^4.1.6"