Add contributing documentation
Add contributing documentation

Includes docs describing project communication and patch submission.

Based on puppet-opendaylight docs (also by me, under the same BSD license).

Closes #4

Change-Id: I4ac20afbb3626b91823b88ac04f8a88e8b7d1782
Signed-off-by: Daniel Farrell <65eaad88897e615d9128b5e890b98414aac720cc@redhat.com>

googoolet/publlc