Bugfixes for Model recipe docs
Merge pull request #864 from coredumperror/pullrequests

Bugfixes for Model recipe docs
Added ISSUU oembed provider

http://developers.issuu.com/api/oembed.html
Merge pull request #868 from kaedroho/issuu-oembed-provider

Added ISSUU oembed provider
Fixed admin submenus not working correctly when more than one registered
Exclude clicked item itself if already active
Merge branch 'master' of github.com:timorieber/wagtail