Add vim-signify; remove vim-gitgutter

References #488.
add fullscreen mode for GVIM and Terminal
add bufferline, work well with airline
change airline theme, match with solarized theme
Merge pull request #498 from JoveYu/3.0

some useful configuration
Merge pull request #489 from mhinz/add-signify

Add vim-signify; remove vim-gitgutter
Initial commit of fork additions
Changed repo link
Switch shell from `/bin/sh` to `/bin/zsh`
Added Markdown file preview via Marked.app
Set plugin groups and added MiniBufExpl
Added vim-dispatch bundle
Added keymap to easily open/delete buffers
User patched Powerline fonts
Set the patched fonts
Fix powerline character bug
Added NeoSnippet custom snippet directory
Open MiniBufExplorer even if there's only 1 buffer
Remove `javascript-libraries-syntax.vim` for now
Bug fixed upstream