add globstar and histappend to shopt
Merge branch 'master' of github.com:richard-cms/dotfiles

* 'master' of github.com:richard-cms/dotfiles:
  Revert "remove dired mouse stuff, only turn on tab-complete when on new-enough emacs"
  Revert "don't even load libraries if too old"
  don't even load libraries if too old
  remove dired mouse stuff, only turn on tab-complete when on new-enough emacs