Modified parameter of invoke; its type is now ContextTypes, instead of
ContextItem.
Completed notificationDispatcher : added calls to the invoke methods.
Modified notification: added an arrayList of IntelligentTypes and a
ContextType.
Commented some lines in ContextManager.
Merge commit '907e3956d5f6966aa7c41899d80e3514b1caa7b0' into
development/architecture