nosami/Omnisharp — pull request #70 by DeaR (2013-05-30 05:02:00+00:00)
Title: Add b:undo_ftplugin feature.

`:help undo_ftplugin`
> When the user does ":setfiletype xyz" the effect of the previous filetype
> should be undone. Set the b:undo_ftplugin variable to the commands that will
> undo the settings in your filetype plugin.