FS-11805 [mod_sofia] set default session timeout for outbound calls before overriding it with NAT detection.

FS-11807 [mod_commands] uuid_recv_dtmf changed to report OK when well formed request is consumed by dmachine or dtmf hook

This reverts commit 53dbe5d8.

This previous patch made logger function not reentrant so reverting until we can get a fix without that issue

FS-11785 [mod_conference] Fix dead assignments.  Removed auto-record-canvas-id param which never did anything.

                          fix dead assignments in conference_cdr

               null attribute in esl_buffer_read
	       null attribute in esl_event_base_add_header
	       null attribute in esl_recv_event

FS-11785 [mod_commands] scan-build thinks NULL parameter is being passed to function.  Shouldn't actually happen.