mod_storage_muc_log: Change to sane timestamp format and warn if it differs from legacy mod_muc_log timestamps
mod_storage_muc_log: Change to sane timestamp format and warn if it differs from legacy mod_muc_log timestamps

Contatta/prosody-modules,Contatta/prosody-modules,Contatta/prosody-modules,Contatta/prosody-modules,Contatta/prosody-modules