Messagemanager:fix drawing on "mark as read", fix drawing of UTF8 in Windows
Messagemanager:add Screenshots direct to Messages possible
Messagemanager:delete entrys
Messagemanager:Show all messages of an Thread in Thread View. (it makes no sense to hide Messages during an thread from users who are invited to this thread)
Imapserver:answer seen flag correct works not with android stock, k9, thunderbird