Removed trailing spaces from wagtailadmin scss files
Merge branch 'master' of github.com:balazs-endresz/wagtail
Removed trailing spaces from wagtailadmin js files
Added collapsible multi-field panels
Merge branch 'master' of https://github.com/balazs-endresz/wagtail into balazs-endresz-master
Merge branch 'master' of github.com:torchbox/wagtail