Add version # to DLL on build

* Split VersionInfo from AssemblyInfo so we can ignore changes and let the build handle
* Ignore VersionInfo
* Install/configure assemblyinfo grunt task
* Ignore compiler warning about bad version number format (.NET vs SemVer)
Quick-fix issues with NuGet package paths
Merge pull request #62 from imulus/versioning

Add version # to DLL on build
Bump version
Merge branch 'develop' of github.com:imulus/Archetype into develop
Merge branch 'master' of github.com:imulus/Archetype

Conflicts:
	app/Umbraco/Umbraco.Archetype/Properties/AssemblyInfo.cs
Merge branch 'develop'