Adds --description (-d) option to ls-projects

Allows listing of projects together with their respective
description.

Line-feeds are escaped to allow ls-project to keep the
"one project per line"-style.

Just like the --branch option, --description not compatible
with the --tree option.

Change-Id: Ia2ec52db80af4fe4343f6a0263d7c02fa84c12cb
2 files changed