Updated existing configuration
Deleted unused neosnippet bundle
Implemented a bunch of salarized fixes

- Fixed eye-hurting red colour
- Fixed sign column
- Updated vDebug colours
- Updated gitgutter colours
- Updated signify colours
Added GetHightlightGroup() method
Re-assigned nohlsearch to Ctrl-L
Stopped automatic fold opening
Added contrast setting to solarized config
Replaced neocomplete with VimCompletesMe
Added support for dash / investigate
Added support for gitgutter / signify
Added support for undotree
Added support for vim-ruby