Split show [user] attachments and messages/topics templates

Signed-off-by: emanuele <emanuele45@gmail.com>
Add an id to the most external div of lists without forms

Signed-off-by: emanuele <emanuele45@gmail.com>
Fix new messages loaded by js (template and ignoring status)

Signed-off-by: emanuele <emanuele45@gmail.com>
Make display of members messages, topics, attachments, unwatched topics and drafts as much consistent as possible - fixes #604

Signed-off-by: emanuele <emanuele45@gmail.com>