Set postgres version stable
[#288] get queryset (boxes) on get_containerbox, if exist field queryset (boxes)
template example:
	{{ article.<field-name> }}
write changelog #288
Merge branch 'master' of github.com:opps/opps

* 'master' of github.com:opps/opps:
  Refactor ChannelListFilter to use get_descendants on queryset