Update several vimrc settings :tornado:
Update several vimrc settings :tornado:

  * Grouped plugins by function (sort of)
  * Removed unused plugins
  * Removed unused mappings
  * Replaced delimitmate with auto-pairs
  * Fix: changed airline theme so the bar changes color in different modes
  * Fix: "close this" shortcut (F4) unloads buffer/quits as needed
  * Fix: now a buffer can be left without saving

elamperti/dotfiles,elamperti/dotfiles