Retrieve special use roles from server, guess role for other folders,
and sort mailboxes
Fixed missing return statement in the sorting within Account::sortMailboxes and removed unused Mailbox::isTrash method
highlight clicked message earlier, better feedback and perceived performance, ref #212
Merge pull request #262 from owncloud/quicker-feedback

highlight clicked message earlier
Merge pull request #245 from zinks-/special-folders-sort

Sort mailboxes, including special use folders
Use marionette to render message list