Changes from 15-16.4

- If message has no title, first three words of the content are
displayed
- Fixed a bug that caused colors to disappear in the normal thread view
- Group by authors
- Labels for author and knowledge type grouping
- No more circles
- Time sorting bug of the thread view fixed
- Changed "Open in a new window" to an icon
- Map view does not show up if the post is not categorized as knowledge
building
Browser compability fixes
0.6.6

Fixed a bug which preventeed opening the thread view when user was not
logged in and anonymous posting was disabled.