.vimrc: Use C++11 standard for Syntastic
Merge branch 'master' of git://github.com/jrunningen/dotfiles

* 'master' of git://github.com/jrunningen/dotfiles:
  Fix bash prompt error when __git_ps1 is unavailable
  Add a simple colored bash prompt with the git branch
  .gitconfig: Add alias.rm-deleted to git-rm deleted files
  vim: Add :prose for non-code text editing
  vim: Disable complaining plugins on my RHEL5 dev server
  Update vim-airline
  Upgrade Janus
  Add dahu/LearnVim
  Remove Yankring

Conflicts:
	home/.vimrc.after