FS-9733 [mod_rayo] prevent bad tts format string from being generated when MRCP headers are not present

* commit '0fd6667f':
  [FS-9367] log session counts at channel state change

* commit '26999898':
  FS-9387 [libzrtp] bugfix for hash calculation of the auxiliary secret

* commit 'b5266ed6':
  FS-9325 [mod_dptools] Priority flag for faster bind_digit_action matches

* commit '8d8543d0':
  FS-9323 [mod_dptools] raise bind_digit_action event on correct leg

* commit '6e8508f2':
  FS-9319 [mod_dptools] Support "both" in clear_digit_action

* commit '11452979':
  FS-9696 keep pickup endpoint up if another endpoint in dialstring hangs up and leg_timeout is set on the pickup endpoint

* commit 'd243c166':
  FS-9412 [switch_loadable_module.c] Make MODULE_UNLOAD event report module name (key) and file (filename), similar to event MODULE_LOAD

* commit 'aada7a56':
  FS-9728 fix dynamic media tag on verto.newCall method

Merge pull request #1030 in FS/freeswitch from ~LUIZTELLES/bf-fs-9671:bugfix/FS-9671-wrong-cseq-is-sent-in-notify-after to master

* commit '4c45f529':
  FS-9671 fix wrong cseq in notify Expires 0

FS-9691: don't call sql code inside hash_mutex due to circular mutex contention between hash_mutex and profile->dbh_mutex

* commit '9b8a5edd':
  FS-9638

* commit '550d8521':
  FS-9725: Disable blank img with core_video_blank_image=false.

FS-9204: complte the urls so that snom can execute the pickup, It used to probably send it to the proxy, but now needs the host in the packet or throws network error

FS-9714: [mod_conference] fix crash due to race on closing file handles when playing a file to a conference via api command as a conference is shutting down