Additions to Event API

Event API: Upgrade to Java 11, new events, simplification and bugfixes

• Upgraded Event Hub and Event API related projects to Java 11
• Added events:
  • preReconnect
  • postReconnect
  • preCreate (Closes issue #90 (closed))
  • preSave
  • preMove
  • preResize
• Simplified Event API class structure
• Fixed:
  • preSave hook not triggering
  • "No model changes! Generate anyways?" dialog
  • Removed deprecated postResize hook (Closes issue #235 (closed))