Fixed regression introduced in d8dfb22: completion in project-less files casues a NullPointerException.
Moved unit tests from Omnisharp.Tests to OmniSharp.Tests to make naming more consistant.
More naming consistancy changes.
Cleaned up vim script
Merge remote-tracking branch 'upstream/master'

Conflicts:
	OmniSharp/AutoComplete/AutoCompleteHandler.cs
	OmniSharp/Requests/Request.cs
	vimfiles/ftplugin/cs_omnisharp.vim
Fixed mess-up with previous merge.
Restored fixed regex in vim script.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	vimfiles/ftplugin/cs_omnisharp.vim