LDEV-3646: Add websocket server and client code. Add Ant code for deploying the server class to <WAR>/WEB-INF/classes folder for WildFly to pick it up on start up. Clean up and formatting.
LDEV-3631: Support multilevel threading, show comments in read only mode on reflection page and allow the dislike button to be shown/not shown based on Advanced settings.
LDEV-3629: Alter character set and collation of the database and each of its tables. Shorten indexed text fields. Upgrade Java -> MySQL connector. Remove an obsolete field from User class.