Ignore Roslyn IntelliSense cache
Updated Server Explorer icons (fixes #5)
Migrate to NuGet Automatic Package Restore
Migrate to new vsixmanifest format, since we aren't installing in Visual Studio 2010
Update to the latest versions of the VSSDK packages
Update to the latest version of openstack.net
Merge pull request #21 from sharwell/fix-5

Updated Server Explorer icons
Merge pull request #22 from sharwell/project-updates

Project updates