Update intermediate images in Admin Tools

[St. Anger]

Could a feature be added in the Admin Tools to update the intermediate pictures, like you can with the thumbnail images? This would be very useful I think.

[Stramm]

With adding the watermark and thumb sharpening feature from the modpack, the 'better admin' tools part has been added as well.

From the CPG 1.5 admin tools

Only thumbnails
Only resized pictures
Both thumbnails and resized pictures
Just full sized (if a orig copy is available)
Both resized and full sized (if a orig copy is available)
Everything... full sized, resized and thumbs

Number of processed images per click
(Try setting this option lower if you experience timeout problems)

Auto refresh (no need to click continue button anymore)