Helper function to determine if user is currently connected.
Fixed some startup logic that was order dependent.

Fixes #2159907: Facebook app ids are integers, and integers are not safe array indicies in Drupal's js settings.

Minor doc fixes.
Fixes to fb_opengraph

Cleaned up PHP notices

Name changed to fb_opengraph.module.

Functional, but still in progress.

misc debug cleanup
misc admin form improvements

fb invite form as render element, easily added to any drupal form.

No more fb_app(), replaced with fb_get_app().

default access_token for graph() helper function.
fql() helper function.

Fixed JS bug causing extra page reloads.

removed some debug code.
Fixed a json decode issue (in which facebook ID were treated as exponential numbers)

helper functions for fb_get_link() and fb_graph_delete()

put name and email into registration form, when known

better token logic in fb_graph
misc development and fixes