bash: export IS_REMOTE_CONNECTION + LC_ORIGIN_HOST

IS_REMOTE_CONNECTION is set and not empty if this shell is being run as
a remote connection.

LC_ORIGIN_HOST is set to the hostname of the originating server
vim: show hostname in tab bar if in a remote shell

The IS_REMOTE_CONNECTION environment variable is used for this
vim: Make loading ~/.vimrc.local more explicit
vim: wrap conceal syntax in has('conceal')

It was throwing errors on old versions of vim, in Debian for example
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