remove psql prompt for now
Merge branch 'master' of github.com:dstibrany/dotfiles

* 'master' of github.com:dstibrany/dotfiles:
  add tmux conf file
  a is an alias to atom
  update zprezto with less options -X -F
  zprezto: export LD_LIBRARY_PATH
  update readme
  zprezto: use source-highlight with lesspipe
  update dir_colors
  update zprezto icons
  update uninstall script to restore .vim folder
  update zprezto prompt symbols
  change dircolors to work in ubuntu
  add dir colors file for linux
  update readme
  install vim plugins
  add vim plugins
  update readme
  zprezto updates for less options