Move pywikibot/data/logentries.py to pywikibot/logentries.py

logentries.py makes no sense in the data folder since it is just
a container for already fetched data.

Change-Id: Ic8948f7115f468a6fbe521721a7b3677695e6539
Merge "Move pywikibot/data/logentries.py to pywikibot/logentries.py"