add Slack to app hotkeys
vim: use ycm plugin, zsh: LOCAL settings
Merge branch 'master' of https://github.com/hypebeast/dotfiles

* 'master' of https://github.com/hypebeast/dotfiles:
  some changes for my custom bundles
  removed pyqt from standard brew install packages
  some more ZSH aliases and functions
  enable mouse scrolling in tmux
  add new ZSH aliases and functions
  Updated goenv script