[gnome-flashback] Metacity with window tiling feature

[Lanoxx <lanoxx gmx net>]

Dear Flashback fans,

as you may be aware Alberts has ported metacity to GTK+3 a while ago.
His repository is available at:

    https://github.com/albertsmuktupavels/metacity

I have been using metacity from his master branch since beginning of
March on two production computers and everything works very well and is
stable. A few days ago I suggested to add this patch:

https://github.com/SolusOS-discontinued/consortium/commit/b463e03f5bdeab307ceee6b969c681f29537c76d

which introduces a side by side window tiling. The patch originally
comes from mutter and Alberts has merged it today into his repository.

I have tested it and it works very well. So I say thank you to Alberts
for his time and effort. Now, would anyone be
interested to test this as well? Maybe we can merge the changes back to
the main repository and make a new metacity release?

Looking forward for your response.

Cheers
Lanoxx