Release v0.12.0

Change-Id: Id1bf41d2239b59c32708a60d344e908412e2ef82
Signed-off-by: Saggi Mizrahi <ficoos@gmail.com>
Bump to dev version v0.13.0

Change-Id: I9633f626bb92b4b54a9c1dfba2eb396b0116ac75
Signed-off-by: Saggi Mizrahi <ficoos@gmail.com>