We need to strip() the output from "git remote" if get to the case
where we're looking at the output from "git remote" since it may
contain newlines and later break code that includes the return
value of this function as part of another command.

Fixes bug #4829

Ran tests
Posted this review using the same commandline mentioned in the bug
Posted a review for the the original repo/commandline that spawned bug #4829 using this rbtools patch