QmlProfiler: Rename get* and find* methods to their canonical names
Also, all methods about events in models don't really need the "event"
prefix as that is what the models are about.
Change-Id: I7b995aa9c9dce7e01d4c862d094b1e73e6b6fb40
Reviewed-by:
Kai Koehne <kai.koehne@digia.com>