git: change git show-commit alias for old git versions
vim: needlessly tidy the html.vim indent script
docs: add some info on 256color terms

I... dont actually know what it says? It was in the folder and useful at
some point I guess? Oh well
dotfiles: Exit update script early if possible

The sha of origin/master is compared against HEAD on the remote hosts.
If they are the same, the script bails early
vim: use a better rainbow parens plugin
vim: Do not fold all folds by default in PHP