[HUBZERO][#4651][PLG_AUTHENTICATION_FACEBOOK] params are now json, not ini
[HUBZERO][#4651][PLG_AUTHENTICATION_FACEBOOK] params are now json, not ini

anthonyfuentes/hubzero-cms,anthonyfuentes/hubzero-cms,anthonyfuentes/hubzero-cms,zweidner/hubzero-cms,zooley/hubzero-cms,zweidner/hubzero-cms,zweidner/hubzero-cms,zooley/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,zooley/hubzero-cms,zweidner/hubzero-cms