Update metadata cache for upstream's eclass changes
[ditz] Pushed x86 stabilisation back 30 days

Waiting for upstream stabilisation of trollop.
[hubugs] Pushed amd64 stabilisation back 45 days

Waiting for upstream stabilisation of cov-core.
[rdial] Pushed amd64 stabilisation back 45 days

Waiting for upstream stabilisation of cov-core.
Merge branches 'f/keyword/amd64' and 'f/keyword/x86'

* f/keyword/amd64:
  [rdial] Pushed amd64 stabilisation back 45 days
  [hubugs] Pushed amd64 stabilisation back 45 days

* f/keyword/x86:
  [ditz] Pushed x86 stabilisation back 30 days

Conflicts:
	support/stabilisation.rem