Changed Facebook stuff to socialnetworks.h/cpp

All Facebook related stuff now is on SocialNetworks.h/cpp
this makes it much easier to implement things and looking
for bugs.

working:
- logging in
- getting user id
- getting album id ( or creating it )

*much* more testing is needed, of course.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>