Set the wait flag for EDITOR and make subl default

I had to make subl the default for the bin/e because otherwise it would
use $EDITOR and add the -w (wait) flag for every call.
Bypass the overwritten git bin by referencing command directly

When hub overwrites the git command, it can cause a slight delay in
the git command. For system calls that don't need the additional benefit
of hub, you can call them directly.

More info here: https://github.com/github/hub#is-your-shell-prompt-slow
Add a bash script for opening a new tab to the finder window
Add the git checkout -b git alias
Ignore the Package Control caches
Add a vimrc file
Add a rbenv shim to sublime text
Add a test snippet for quickly adding minitest tests