Submodules update:

  * UltiSnips
  * clang_complete
  * delimitmate
  * fugitive
  * nerdtree
  * syntastic
  * xkbswitch
Removed vim-powerline submodule in favor of powerline
Removed showing mode in vim (cause powerline shows instead)
Use PragmataPro font in GVim
Use fancy symbols in powerline, CUZ I CAN
Use powerline bar in tmux
rxvt-unicode -> xterm. Also use PragmataPro in it
Added powerline symbols to xmobar.

Cannot added them to xmonad's part because of bug in ghc :|
Simplified xmonad's output to xmobar
Submodule update:

  * clang_complete
  * fugitive
  * xkbswitch