Merged with arc-mod-mam-release. Monitor ODBC workers and delete crashed ones from Mnesia.
Merge remote-tracking branch 'upstream/master' into arc-mod-mam-only
Made tls_drv permanent.
Fixed comments.
Fixed a crash in ejabberd_users:is_stored_user_exists/1 in case, when the anonymous auth is disabled.
Made mod_mam_muc:restore_dump_file/1 less strict.
Fixed JID escaping (see querying_for_all_messages_with_jid in CT).
Do not add empty queryid attribute.
Merge branch 'upstream/master' into arc-mod-mam-only
Rewrote ejabberd_users using ETS tables.
Added global IQ shapers for MAM.
Fixed type (newer => never).
Added mod_mam_mnesia_dirty_prefs.
Decreased size of MySQL table key.
Removed mod_mam_cache module (replaced by mod_mam_cache_user).
Moved SQL code from mod_mam_odbc_async_writer to mod_mam_odbc_arch.
Moved SQL code from mod_mam_muc_odbc_async_writer to mod_mam_muc_odbc_arch.
Fixed removing users from ejabberd_users.
Moved SQL code from mod_mam_muc_odbc_async_writer to mod_mam_muc_odbc_arch.
Added MAM hooks.
Added option "new_message_ids" for mod_mam_dump:restore_dump_file/3.