update ssh config
Merge branch 'master' of https://github.com/Rob-Johnson/dotfiles

* 'master' of https://github.com/Rob-Johnson/dotfiles:
  lots of fixes
Merge branch 'master' of https://github.com/Rob-Johnson/dotfiles

* 'master' of https://github.com/Rob-Johnson/dotfiles:
  hardcore mode - unbind arrow keys
  updated alias, mouse support in tmux
  added haste alias, added tmux conf
  added haste alias, added tmux conf
open NERDTree on startup