Add `gmu` (git merge upstream) alias  * Pull in `origin` & `upstream` and merge them into `upstream/master` from http://www.gitready.com/intermediate/2009/02/12/easily-fetching-upstream-changes.html
Add `gmu` (git merge upstream) alias
 * Pull in `origin` & `upstream` and merge them into `upstream/master`
from http://www.gitready.com/intermediate/2009/02/12/easily-fetching-upstream-changes.html

prajnak/bash_it