Merge pull request #95 from liyhcharles/master

Hide progress bar when watch list is empty
translation updated to newest version,

translated externalized strings
Merge pull request #96 from Trollmen/patch-1

translation updated to newest version,
Update pref screen

Fix message when relink images
Add separator on storage screen
Update relink image to support big images
Merge remote-tracking branch 'upstream/master'
update relink image logic, small bugfixes
Fix isMissing flag for redlink chapter
Add free space checker for backup images
Merge remote-tracking branch 'upstream/master'