list: add name-only and path-only options

`repo list -n` prints only the name of the projects.
`repo list -p` prints only the path of the projects.

Change-Id: If7d78eb2651f0b1b2fe555dc286bd2bdcad0d56d
Signed-off-by: Chirayu Desai <cdesai@cyanogenmod.org>
1 file changed