vr-alpha-3

• improved performance when loading, pasting, and deleting color events
  • still has some framerate issues with more complex charts
• added ability to delete color events with either middle mouse or ctrl/cmd + right click
  • the delete button has been removed to clean up the UI a little
• added ability to delete selected color events with delete/backspace

Full Changelog: vr-alpha-2...vr-alpha-3