Update (vundlerc). Add/Remove plugins

Remove:
* tpope/vim-haml
* tobyS/vmustache

Add:
* editorconfig-vim
Update (vimrc) add/remove/disable commands.

Add:
* insert mode - clear row shortcut
* normal mode - split buffer shortcuts

Remove:
* HTML5 vundle plugin configurations

Update:
* Ultisnips trigger shortcuts