Release Summary for 4.2.31
  Changes to 4.2 after version 4.2.30
  * Summary
      - Receive fax still sends email when notifications on user for fax are disabled. 
  * Commits
      - [KAZOO-5898: fixed email being sent for recvfax when user has it disabled (#4851) (#4855)
  * KAZOO-5898: fixed notification being sent for fax when user has it disabled
  * KAZOO-5898: tickie dem atoms, log the fact that user has disabled fax_to_email
  * KAZOO-5898: added a better log message](https://github.com/2600hz/kazoo/commit/58770ccf878b62c359b7420f9bb80b31000ea802) by Sean Wysor
  * [[4.2] crossbar: handle file content multipart headers (#4857)  * crossbar: handle file content multipart headers    * retrun validation error if decoding base64 failed    * strip white spaces and cariage returns during decoding base64    * store part&#039;s header in context instead](https://github.com/2600hz/kazoo/commit/22b022780d07c952f656083395d1358c0597a797) by icehess
 -- 2600Hz Official <packages@2600hz.com>  Thu, 17 May 2018 23:55:17 +0000
