Add GoToUsages completer command for CSharp completer
Remove Omnisharp server logs on shutdown if server_keep_logfiles is false
Prevent starting OmniSharp if Omnisharp has already been started
Crude razor support
OmniSharpServer update
Add support for WantImportableTypes in C# completer
Add tests for WantImportableTypes in C# completer
Merge branch 'SupportForWantImportableTypes' into mine_master

Conflicts:
	third_party/OmniSharpServer
	ycmd/completers/cs/cs_completer.py