Updated 'gdb'.
Hook for custom aliases, functions and scripts.
Added 'rebash' command with go, and update verbs.
Moved git scripts from /scripts to /scripts/git.
Fixed bug with sourcing rebash command.
Added script for rewinding HEAD (grew).
Updated usages.
Merge branch 'master' of https://github.com/mrydengren/rebash

Conflicts:
	rebash.bash