* Add ID column to anonymous org contact exports, also add @contact.id field in message context * Fix counts for channel log elements * Only have one link on channel page for sending log * Attempt to determine file types for msg attachments using libmagic * Deactivate runs on hangups, Keep ivr runs open on exit * Add log for nexmo media download * Add new perf_test command to run performance tests on database generated with make_test_db