[#1139] Remove moderated option from config docs

It is no longer supported and causes lots of confusion, apart from
issues with dataset updates.
[#1083] Add notes about Apache and extensions to the patch release as well
[#1083] Add step about upgrading extensions
Merge branch '1083-upgrade-minor-version-instructions' of github.com:okfn/ckan into 1083-upgrade-minor-version-instructions
[#1083] Need to restart Apache as well on patch upgrades
[#1157] Update release policy. Mention ckan-announce.
Merge pull request #1157 from okfn/1157-update-release-policy

Update release policy
Merge pull request #1154 from okfn/1083-upgrade-minor-version-instructions

1083 upgrade minor version instructions (round 2)
Merge branch 'master' into 1139-remove-moderated-from-config-docs
Merge pull request #1139 from okfn/1139-remove-moderated-from-config-docs

Remove / Deprecate "moderated" option