sync.profile: Point dependencies to 'refs/heads/stable'
sync.profile: Point dependencies to 'refs/heads/stable'

We should test stable branches against stable branches only.
At some point we should automate the merges from dev->stable->release
and decide how to handle possible merge conflicts.

This is good enough for the time being.

Change-Id: Ic8e80a8db60c8fae950e1327bc8ac66c1940872d
Reviewed-by: Janne Anttila <237e68234a327a5775cffcea05af0474ad4190b9@digia.com>

kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1