Bugfixed type solver implementation

There were some bugs in type solver, making
posts containing photos not being solved.
Initial support of Events

[F] It is possible to access to events in Friends.
Bugfixed the time helper and timespec bug

[B] Time shown are no wrong (one or several hours early depending on timezone)
Added the capability to read user profile

[F] User profiles can now be browsed.
Added page description
Bugfixed some elements

- Section in friends list is back.
- Group can be accessed again.