Use g_strfreev on null terminated gchar **, not g_free. Otherwise you
don't free all the elements of the list.

Still crashes when creating a conference from history for conferences
created during the current session.

The wrong value was being used for "time_added" when
creating a history entry from a serialized form.

Conference object was being deleted in processRemainingParticipants and then called.

99 % of these are just whitespace changes. Some unnecessary includes
removed as well

Was due to incorrect conditional path before recursive call

gnome-client still has leftover icon that crashes when clicked on.