Added more prototype(d) changes
- Added CloseXXX functionality. Clears the state(s) properly
- Added the ability to notify content of 'UICC state changes' so that
  'isSEPresent' webidl state gets updated properly.
- When a certain registered content gets killed, Clear all the state properly
  and also release the handles avoiding memory leaks!
- * More testing needs to be done && SIM_IO_Connector changes to follow after this

Change-Id: I9da8e6a36da779f21528b0cf5fab54d6f9c149ae