use data-type instead of class for types
forgot to convert list from class to data-type
Merge branch 'editing' into use-data-type

Conflicts:
	src/scripts/models/contents/page.coffee
	src/scripts/modules/media/body/body.less
add now-deprecated .title and .solution
:lipstick: de-linting
Merge pull request #321 from Connexions/use-data-type

Use data type