Submodule bump.
Merge remote-tracking branch 'origin/master' into yelp

* origin/master:
  Submodule bump.
  submodule bump.
  Got rid of log statement in gitconfig.
  ADded tmux powerline join pane.
Fixed things up.
Readded sandbox info.
Fixed up .zshrc.
Merge remote-tracking branch 'origin/yelp' into yelp
Updated git pager (less) to exit when content can be displayed on one screen.