mod_graylog2: additional fields can now be specified by adding LOG_FIELDS[name=string_value,@#name=number_value] to beginning of log.  Added _microtimestamp additional field since graylog2 only has millisecond timestamp precision.

CID:1224272 Dereference after null check.  member can not actually be NULL in any of the scenarios calling this function

* commit '0fb179ac':
  Add new option to request TEP to be used for an outbound fax call

Merge pull request #7 in FS/freeswitch from ~PFOURNIER/freeswitch:bugfix/t38_require_timer to master

* commit '21ae5870':
  Disabling Require timer for T.38 re-Invites cause problems

* commit '5d31c9b9':
  It was impossible to disable ECM with T.38 in gateway mode

begin with the correct 2 bytes.

Disabling Require timer for T.38 re-Invites tells the remote side it
doesn't need to refresh the session but FreeSwitch will still terminate
the call if the remote session doesn't refresh.

With both the `curl` api command and application, you can now ask for
data to be PUT where previously it could only be sent via POST.

Merge pull request #2 in FS/freeswitch from ~KATHLEEN.KING/freeswitch-fork:doxygen-switch_apr.h to master

* commit '64fc3f79':
  Changed the function parameter name in the function definition to match the updated parameter name in the function declaration. #doxygen
  Changed the variable name for clarity.