Default to (none) for git email
Add autocorrect for git
Add alias for iPhone simulator.
Move .gitconfig from copy to link.

No need to customise on a per-machine basis. Git config user.email should be set for every repo.
Merge branch 'master' of git://github.com/drzax/dotfiles

* 'master' of git://github.com/drzax/dotfiles:
  Add function to recursively delete directories