PATH-788: Adding more state information for the rebake region button to capture and display the rebaking states.  Also, altering how the stop flying button works so that it does not hide the entire panel.

Updating the teleport-me-to-it behavior for the characters and linksets.  Firstly, to remove the direct call to gAgent.teleportRequest() which is being made into a private function.  Secondly, to check the viewer object list to see if the object exists there, and if so, to use that location as the teleport destination.

PATH-718: Ensuring that the characters panel will work correctly with a stubbed physicsextension library.

PATH-783: Ensuring that the pathfinding console and pathfinding characters floaters cannot be created through getInstanceHandle().

PATH-717: Minor UI changes from Leo.  Also, adding a notification when attempting to return or delete multiple items.

PATH-767,PATH-779: Adding a notification for when the rebake button appears.  Also, updating some tooltip copy.

PATH-761: Better calling out the various status of the simulator status through the highlight colors.

PATH-764,PATH-765: Adding in a context menu option on right-click of an object to show in the linksets floater if all objects are non-characters, or to show in the characters floater if all objects are characters.