[OE-core] updates for cogl, clutter and mx

[Tomas Frydrych]

> There are some issues with this patch set, some of the included patches
> either do not have Upstream-Status or Signed-off-by tags, please review 
> that.

Updated the various patch headers in v.2.

> Also, I want to confirm that these are all new recipes and will not cause 
> backward PRs (ie do you need PE bumps to these)?

I renamed the mx recipe also to mx-1.0 for consistency, so yes, these are all 
different packages now.

> Finally, I think you need to update the packagegroup-core-clutter recipe. 

Done.

Tomas