move "onContextCreated" event from loadedContext to initContext, we need to make sure we get an "onContextCreated" event before we start sending "onScript" events for that context.  also added context_href property to onScript event.
move "onContextCreated" event from loadedContext to initContext, we need to make sure we get an "onContextCreated" event before we start sending "onScript" events for that context.  also added context_href property to onScript event.

http://code.google.com/p/fbug/source/detail?r=6648

mrennie/crossfire,mrennie/crossfire,mrennie/crossfire