(Issue 2952) Use collabdoc etherpadHtml as the content of revision previews
(Issue 2952) Review follow-up
(Issue2952) Review followup
Updating variable name in doc
(Issue 2952) Removing 'px' from 0's
Merge branch 'issue-2952' of git://github.com/mrvisser/3akai-ux into issue-2952
Revision history follow-up