Add a couple of git flow aliasese
Merge branch 'master' of https://github.com/whatyouhide/dotfiles

* 'master' of https://github.com/whatyouhide/dotfiles:
  Add rvm-prompt to the bash prompt
  Move RVM sourcing to the end of .bash_profile
  Add RVM path to bash/path
  Refactor the rake symlink tasks