Adding sourcing of git-completion
Merge branch 'master' of github.com:andrewuhm/dotfiles

* 'master' of github.com:andrewuhm/dotfiles:
  .osx: Make Yosemite Safari more useful
  .osx: Don’t send Safari search queries to Apple
  Update readme to point to correct links
  Remove invalid symlinks
  .aliases: Update `npm` the right way
  .osx: Use the system-native print preview dialog in Chrome
  .osx: Remove a few commands that no longer have any effect in Yosemite
  .osx: Disable transparency in the menu bar and elsewhere on Yosemite
  Brewfile: add binutils and cifer