Initial work for messaging

However this cannot be continued as Facebook do not provide
any way to send private messages. The section is removed from
the menu.
Added scroll decorator in the menu
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] You can now access to user profiles.
Added page description
Bugfixed some elements

- Section in friends list is back.
- Group can be accessed again.
More information for groups

[B] You can now access information of groups.
Added information for events