Add build dependencies.
Use a patch to update from bzr3903 to bzr3917.
Update get-orig-source.
Imported Upstream version 0.9.12.0+bzr3917+repack
Merge tag 'compiz-0.9.12.0+bzr3917+repack'

Upstream version 0.9.12.0+bzr3917+repack

Conflicts:
	.gitignore
Update patches.
Update rules.
Add patch to disable known failing tests.
Update changelog.