Revert "Remove wrapping div from backbone view for folders list"
Revert "Remove wrapping div from backbone view for folders list"

This reverts commit 218460cf743ecca97fa17db09536b69bea3758bb.

kingjan1999/mail,ChristophWurst/mail,ChristophWurst/mail,kingjan1999/mail,ChristophWurst/mail,kingjan1999/mail