update to 3.0.0-0.999 for release

Next version is 3.0.0, so set this to 3.0.0-0.999.
First official build will be 3.0.0-1

Change-Id: I35c19d4ca790f2bb5092316b4c14764ab0293af8
Signed-off-by: Mike Burns <mburns@redhat.com>