Ask for the administrator password upfront.
Fix backspace in vim.
Separate bin and sources packages for brew & cask.
Prefer htop.
Add some more Python packages.
Merge remote-tracking branch 'origin'

* origin:
  Update repository URL.
  Update install instructions: get submodules
  Update README.md
  No need of Xcode in Mountain Lion: command line tools is a stand-alone package.
  We'll install Prey soon
  Automate Xcode command line tools install