Add strong signing to assembly (#324)

Fixes: #308.

Version being bumped to 3.1.0

Minio.Tests/Minio.Tests.csproj

@@ -2,6 +2,8 @@
   <PropertyGroup>
     <TargetFrameworks>netcoreapp2.1</TargetFrameworks>
     <IsPackable>False</IsPackable>
+    <AssemblyOriginatorKeyFile>..\Minio.snk</AssemblyOriginatorKeyFile>
+    <SignAssembly>true</SignAssembly>
   </PropertyGroup>
 
   <ItemGroup>

Minio/Minio.csproj

@@ -6,11 +6,15 @@
     <TargetFrameworks>netstandard2.0;net46</TargetFrameworks>
     <DebugType>embedded</DebugType>
     <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
+    <Optimize>true</Optimize>
+    <AssemblyOriginatorKeyFile>..\Minio.snk</AssemblyOriginatorKeyFile>
+    <SignAssembly>true</SignAssembly>
+    <PublicSign Condition="'$(OS)' != 'Windows_NT'">true</PublicSign>
   </PropertyGroup>
 
   <PropertyGroup Label="Package">
     <Product>Minio</Product>
-    <Version>3.0.13</Version>
+    <Version>3.1.0</Version>
     <Description>Minio .NET SDK for Amazon S3 Compatible Cloud Storage.</Description>
     <Copyright>Copyright (c) 2018.  All rights reserved.</Copyright>
     <Authors>Minio, Inc.</Authors>

Minio/Properties/AssemblyInfo.cs

@@ -1,3 +1,7 @@
 using System.Runtime.CompilerServices;
-
-[assembly: InternalsVisibleTo("Minio.Tests")]
+[assembly: InternalsVisibleTo("Minio.Tests, PublicKey="+
+"0024000004800000940000000602000000240000525341310004000001000100b5b1773b93a0a4"+
+"47624b0ba537a9f6b948a483c25f82b77c2d4025fc8d5b3151a5b2b0f5a00e7f8cec340430e809"+
+"fe196713be30b75fd5efa790a39357709cef50a7e073106a3b24964f2eb6139a95598165b65f37"+
+"be8ae65145afb9c4ba27bb85c310c52ed00435478f44368495a344ce688b9140ad0e8fea65ec00"+
+"a8912398")]