Fix untagDir and hastagDir

Changes in commit 8a252bff64b2bb2d376673a0b00e9624d44aaf4c broke the
tagging functionality
Add failsafe for symlink errors

E.g. on Windows you need Admin rights to symlink...
Remove 'move' exception

No need to remove files when 'move' is selected as the downloaders do
this themselves now when cleaning up
use right variable for pause

fixes #2049