added pman: open man pages in preview
Merge branch 'catbug' of github.com:multiphrenia/custom-oh-my-zsh into catbug

* 'catbug' of github.com:multiphrenia/custom-oh-my-zsh:
  npm instead of node
  added file for academics: aliases/functions etc
  added gup allias
  added readme, to be filled with instructions for fresh installs
  new brews added
  some dotfile updates