5.3.8

Changes for 5.3.8

Changes to branch 5.3 after version 5.3.7.

Commits

• KAM26-25: set Referred-By params from authz - by Daniel Finke

  When REFER is challenged and authz'd by Kazoo via AMQP, treat the req

  as if it were a registered endpoint.

  Centralize setting of $xavp(authz) at end of AUTHORIZATION_CHECK.

  (cherry picked from commit 95ef250)

• Update config.yml to use offical2600hz/metapackager:1.0-centos-7 - by Vladimir Hidalgo