Merge pull request #243 in FS/freeswitch from ~ARTURZ/freeswitch:FS-7486-broken-sofia-request-queue to master

* commit '074b07f5':
  FS-7486: Fix handling of queued requests in Sofia-SIP

Merge pull request #475 in FS/freeswitch from ~ARTURZ/freeswitch:FS-8142-switch_core_session-thread-cache-races to master

* commit 'cd4c3188':
  FS-8142 Fix a thread cache thread-safety and caching

Merge pull request #474 in FS/freeswitch from ~ARTURZ/freeswitch:FS-8141-add-apr_queue_term to master

* commit '9e29ea01':
  FS-8141 Add support for apr_queue_term() to switch_apr.c

FS-7697 chown the /etc/freeswitch/tls directory so that the freeswitch user can have read/write for TLS certificate generation

* commit '93b2fb47':
  FS-8117 #resolve [VC ignoring useSTUN settings]

FS-8117 - [verto_communicator] Calling verto.iceServers upon useSTUN changing on ModalSettings. #resolve