Merge change 1940

* changes:
  handle OTR messages by storing them in an in-memory table; remove groupchat message urls since we can get to messages by thread ids.
tree: 1687be83b6833389050d879ed373dd40fa2f9502
  1. awt/
  2. camera/
  3. cmds/
  4. im/
  5. include/
  6. libs/
  7. opengl/
  8. MODULE_LICENSE_APACHE2
  9. NOTICE