Cleaned up

- outsourced plugin specific configuration
  - .vim/conf/airline.vim
  - .vim/conf/ctrlp.vim
  - .vim/conf/syntastic.vim
  - .vim/conf/ultisnips.vim

- outsourced keymaps
  - .vim/keymap.vim

- Add support for newer ECMA 5
  - .vim/syntax/javascript.vim

- Add solarized colorscheme