Bug 1915: Configuration knob for enabling L3 forwarding in OVSDB

Change-Id: Ic71708b0f4e2dccdfc789d392b8722b68b5ace1f
Signed-off-by: Flavio Fernandes <ffernand@redhat.com>
Merge "Bug 1915: Configuration knob for enabling L3 forwarding in OVSDB"