* added post_events example and analytics callback

* updated dependency

Update Meteor from 1.9 to 1.10.2

Revert "Replace unsafe react lifecycle methods"

Revert "Create layout context and add a layout manager"

Fix breakout autotest

Auto select default.pdf after deleting the current presentation

Create layout context and add a layout manager

Replace unsafe react lifecycle methods

Make List of waiting users scrollable

Drop webcam when join a breakout room by clicking 'Join room'

Enable multiple webcams and network stats by default

Merge 2.2.19 into 2.3 

Merge branch 'v2.2.x-release' of github.com:bigbluebutton/bigbluebutton into merge-2.2-into-2.3-july-6

Skip recording process step for norecord meetings

bbb-conf: respect underscore in nginx server_name