Updated metadata cache for upstream's eclass changes.
[xorg-launch-helper] Pushed amd64 stabilisation back 90 days.

Waiting on upstream to stabilise systemd.
Merge branch 'feat/amd64_keywording'

* feat/amd64_keywording:
  [xorg-launch-helper] Pushed amd64 stabilisation back 90 days.

Conflicts:
	support/stabilisation.rem
Updated metadata cache for upstream's eclass changes.