Update npm modules

Author: rot1024

package.json

@@ -20,10 +20,10 @@
   },
   "homepage": "https://rot1024.github.io/jikkyo",
   "devDependencies": {
-    "archiver": "^0.14.4",
-    "del": "^1.1.1",
-    "gulp": "^3.8.11",
-    "gulp-util": "^3.0.4",
+    "archiver": "^0.15.1",
+    "del": "^2.0.2",
+    "gulp": "^3.9.0",
+    "gulp-util": "^3.0.6",
     "nw-builder": "git://github.com/rot1024/nw-builder.git"
   },
   "dependencies": {

src/package.json

@@ -31,10 +31,10 @@
   "dependencies": {
     "cheerio-httpcli": "^0.3.3",
     "co": "^4.6.0",
-    "kefir": "^2.6.0",
-    "mousetrap": "^1.5.2",
-    "oauth": "^0.9.12",
-    "twit": "^1.1.20",
-    "xml2js": "^0.4.8"
+    "kefir": "^2.8.1",
+    "mousetrap": "^1.5.3",
+    "oauth": "^0.9.13",
+    "twit": "^2.1.0",
+    "xml2js": "^0.4.12"
   }
 }