Fix to the missing neobundle#untap
Remove unite-quickfix (sufficient to default qfixhowm)
Remove unused commands and local functions
Remove vim-ft-clojure
Remove vim-virtualenv

Because rarely used.
Sort out NeoBundle settings and uninst some plugins

Uninstalled plugins are:

- vim-textobj-indent
- riv.vim
Add setting of neosnippet to delete merkers when InsertLeave
Fix settings of horizontal scrollbar to limit length of the cursor line