Load OMZ before *everything* so we can overwrite *anything*

ugh.
Simplify full-path function in zsh

b/c zsh makes it so easy!
Reuse rc_dir var
Start a Gemfile for the ruby gems that install tools
Load rvm to get gem-installed tools into $PATH
Autoload a few handy utils mentioned in zshcontrib
Use bindkey -s to create kill-non-blank-word keys
Redo kill-non-blank-word with functions

sadly forward seems ok and backward still seems slow :-/
Use non-bold orange for last tmux window

instead of brightred which appears to imply bold.
Comment on a few other tools to install