Minor style fixes
Starting the OmniSharp server by default

Naturally, only in C# files.
More style fixes + more status reporting to :mes
Updating README with more info on new C# completer
Update vimdoc from readme
Add mono to command for non-windows systems
Fix code style
Merge pull request #460 from Hinidu/master

Add mono to command OmniSharpServer for non-windows systems