[lettuce] Pushed x86 stabilisation back 30 days

Waiting for upstream stabilisation of ipdb .
[nose2-cov] Pushed amd64 stabilisation back 60 days

Waiting for upstream stabilisation of cov-core.
Merge branches 'feat/x86_keywording' and 'feat/amd64_keywording'

* feat/x86_keywording:
  [lettuce] Pushed x86 stabilisation back 30 days

* feat/amd64_keywording:
  [nose2-cov] Pushed amd64 stabilisation back 60 days

Conflicts:
	support/stabilisation.rem
Make Sphinx generator Python 3 compatible
[pw] Pushed x86 stabilisation back 30 days

Waiting for upstream stabilisation of termcolor and usable pyyaml.
[pw] Pushed amd64 stabilisation back 60 days

Waiting for upstream stabilisation of termcolor and usable pyyaml.
Merge branch 'feat/x86_keywording'

* feat/x86_keywording:
  [pw] Pushed x86 stabilisation back 30 days
Merge branch 'feat/amd64_keywording'

* feat/amd64_keywording:
  [pw] Pushed amd64 stabilisation back 60 days