Make albumart-files world readable
Save & use original umask.

Saves and uses the original umask at various places where
user-accessible files are written.
User search term for waffles & rutracker

+ add year to normal search for waffles
Merge remote-tracking branch 'michelwilson/master' into develop
Fixed whitespace/indentation in searcher.py
Merge remote-tracking branch 'AdeHub/master' into develop