FS-8566 #resolve [Call fails when put on hold in bypass media mode with inbound late neg set to false]

* commit 'e31a8999':
  Allow building using system OpenSSL without EC support

* commit 'e9126a73':
  Fix undefined symbol conference_cdr_test_mflag

FS-8569 #resolve

This allows FreeSWITCH to build using system OpenSSL when there is no EC support

FS-8568 #resolve

This reverts commit adc8f9a1.

This reverts commit 757fa942.

This reverts commit 389d24da.

Merge pull request #600 in FS/freeswitch from ~JAONZE/freeswitch:bugfix/FS-8550-auto-bandwidth-settings-issues to master

* commit 'accc6206':
  FS-8550 [verto_communicator] - Now setting testSpeedJoin to false when 'auto' is disabled and changed instruction for closing modal in resetSettings()

This is the maximum time to wait, in seconds, for the HTTP GET or PUT to connect.
If this value is not set or is set to 0, the default setting of 300 seconds is used.

FS-8160 Additional vulnerability in json parsing malformed utf encoded chars discovered by Brian Martin - Tenable Security Response CVE-2015-7392

Merge pull request #563 in FS/freeswitch from ~NIEKVLESSERT/freeswitch:feature/FS-8369-additions-to-make-installation-of to master

* commit '389d24da':
  FS-8369 Fixes
  FS-8369 Debian8/CentOS7 systemd installer additions
  FS-8369 Debian8/CentOS7 systemd installer additions

* commit 'acecda75':
  FS-8527 [mod_conference] Do not send the video of last_video_floor_holder to video_floor_holder if already related one video to it.

Merge pull request #605 in FS/freeswitch from ~MARKL/freeswitch:bugfix/FS-8559-mod_shout-should-have-mpga-in-it-s to master

* commit '3293baa3':
  FS-8559: mod_shout should have "mpga" in it's list of supported extensions

Add mpga to the list of supported formats for mod_shout so that
files retrieved using mod_http_cache with a mime type of audio/mpeg
are able to be played using mod_shout.

Merge pull request #599 in FS/freeswitch from ~JAONZE/freeswitch:feature/FS-8401-add-speaker-selection-in-modalsettings to master

* commit 'c2073cb0':
  FS-8401 [verto_communicator] - Added Speaker selection in settings modal and video page.

FS-8053 #resolve [When WebRTC's SDP contains a=sendonly for video, the client will still receive the video stream]

Merge pull request #602 in FS/freeswitch from bugfix/FS-8547-add-error-log-into-stats-to-log-when to master

* commit '860a799c':
  FS-8547 #resolve [Add error log into stats to log when quality impacting events begin and end]

Merge pull request #601 in FS/freeswitch from ~ANDCOFFEECODE/freeswitch:bugfix/FS-8542-video-controls-disappear-when-you to master

* commit 'b6cf1fbe':
  FS-8542 [verto_communicator] - fixed the tooltips of video controls...