Upgrade Rails from 3.2.14 to 3.2.15.
Merge remote-tracking branch 'origin/master' into coop

Conflicts:
	Gemfile.lock
Only use acts_as_list versions that are Ruby 1.8-compatible.
Registration form: Fill in 'committee of management' by default.
Registration form: Fix that 'model rules' should be ticked 'yes', not 'no'.
IPS rules: Ensure all words beginning 'co-' have a non-breaking hyphen.
Merge branch 'coop-release' into oneclick-uk-coop