~/.bin/rt: Recognize bb as shortcut for bitbucket.

It's a shortcut for git+bitbucket, though.

.bin/rt

@@ -28,7 +28,7 @@ prog_from_any() {
		rt_PROG="git"
	elif [ -d "$1/.hg" ]; then
		rt_PROG="hg"
	elif [ `echo $1 | grep -E "(git|hub|gh|repo.or.cz)"` ]; then
	elif [ `echo $1 | grep -E "(git|hub|gh|bb|repo.or.cz)"` ]; then
		rt_PROG="git"
	elif [ `echo $1 | grep -E "(hg|bitbucket)"` ]; then
		rt_PROG="hg"