create new target for building signed assemblies

changes to project.json and AssemblyInfo in order to create a proper release candidate

Author: kjnilsson

RabbitMQ.Client.nuspec

@@ -1,7 +1,25 @@
 {
   "version": "4.0.0-*",
+  "description": "The RabbitMQ .NET client is the official client library for C# (and, implicitly, other .NET languages)",
+  "packOptions": {
+      "projectUrl": "http://www.rabbitmq.com/dotnet.html",
+      "licenseUrl": "http://www.rabbitmq.com/dotnet.html",
+      "iconUrl": "https://en.gravatar.com/userimage/10048884/0ea8846e080980f705da081be53599ce.png?size=100",
+      "owners": ["Pivotal"],
+      "tags": ["RabbitMQ"]
+  },
+  "configurations": {
+    "SignedRelease": {
+      "buildOptions": {
+        "delaySign": true,
+        "publicSign": false,
+        "keyFile": "../../../rabbit.snk",
+        "emitEntryPoint": false,
+        "optimize": true
+      }
+    }
+  },
   "buildOptions": {
-    "emitEntryPoint": false,
     "compile": {
       "exclude": [
         "build",
@@ -15,20 +33,6 @@
   "dependencies": {},
   "frameworks": {
     "net451": {},
-    /*
-    ".NETPortable,Version=v4.0,Profile=Profile32":{
-     "buildOptions": {
-      "define": [ "PORTABLE32", "NETFX_CORE" ] }, 
-      "frameworkAssemblies":{ 
-      	"mscorlib":"", 
-	"System":"", 
-	"System.Core":"", 
-	"System.Net":"",
-	"System.Net.Sockets":"",
-	"System.Threading":""
-	 }
-	},
-	*/
     "netstandard1.5": {
       "buildOptions": {
         "define": [

projects/client/RabbitMQ.Client/project.json

@@ -50,5 +50,6 @@
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
-[assembly: AssemblyVersion("0.0.0.0")]
+[assembly: AssemblyVersion("4.0.0")]
+[assembly: AssemblyInformationalVersion("4.0.0-pre.1")]