Fix typo in discussion activity i18n
Fix placeholder issues for IE
Revert skin change
Merge pull request #2906 from bp323/placeholder

"Your Comment" persists in Quick Chat reply
Merge branch 'activityTypo' of https://github.com/bp323/3akai-ux into activityTypo
Merge branch 'master' of https://github.com/sakaiproject/3akai-ux into following
Follow up on following review