stable-6726-2: release
* ae3e7e7 jvb: make MUC_NICKNAME configurable * 0be9c8f web: allow configuring buttons in toolbar and pre-join screen * d9d12f0 jvb: fix resolving XMPP server aliases * 81dc384 jigasi: allow jigasi guest participants * a8a596b jicofo: configure trusted-domains for Jibri if ENABLE_RECORDING is set * d250ad7 misc: working on latest