Simplified naming for the PCL projects
.NET 3.5 and 4.0 assemblies now target the client profile
Add quotes for command arguments in build.ps1 and push.ps1
Ignore the Roslyn IntelliSense cache
Merge pull request #9 from sharwell/cleanup

Cleanup
Merge pull request #10 from sharwell/project-naming

Project naming
Include source files in all projects; use preprocessor to restrict compilation of compatibility classes
Refactor building block methods to their own TaskBlocks class (fixes #7)
Implement support for IAsyncDisposable (fixes #8)
Merge pull request #11 from sharwell/features

Features