update Dutch translation (thanks, leroy)
update changelog
don't resolve immutable folders and files multiple times
fixes duplicate DVD/playlist/feed entries:

	https://code.google.com/p/ps3mediaserver/issues/detail?id=566
	https://code.google.com/p/ps3mediaserver/issues/detail?id=636
	https://code.google.com/p/ps3mediaserver/issues/detail?id=1483
DVD titles: localize "Title"
reduce logspam
nitfixen
catch all exceptions when loading plugins