[#1083] First go at the minor version upgrade
[#1083] Add note about Apache and Nginx files
[#1083] Add note about reenabling extensions
[#1083] Minor edits to package install upgrade docs
[#1083] Add notes about Apache and extensions to the patch release as well
[#1083] Add step about upgrading extensions
[#1083] Need to restart Apache as well on patch upgrades
[#1139] Remove moderated option from config docs

It is no longer supported and causes lots of confusion, apart from
issues with dataset updates.
[#1157] Update release policy. Mention ckan-announce.