Tweaks to large media display
Add image width of 1024 when using large preview to prevent scaling too much and making images blured
Added option for no image scaling.  Using this on media scaling so only scale by 2 on large media.

Too much scaling seriously impacts look of images
Fix for #386.  Changes to re-make the spotlight image preview show.
Fix for #388 handle that the file object could be null (since the function being called can return a null)
Fix for #387.  Correctly clear selected status on screen rotate.
Merge pull request #390 from BlythMeister/BetaVersion

Bug fixes