Add "source" command

Add a new command "source" which takes a name of a Chadev project and
returns the URL for it.

Signed-off-by: Adam Jimerson <vendion@gmail.com>
Add "issue" command

Add a new command "issue" for fetching the URL to the issue queue for
the named Chadev repo.

Signed-off-by: Adam Jimerson <vendion@gmail.com>
Merge branch 'featrue/GitHub' into develop