Add item gallery option for items/show.
Move non-file gallery thumbnails to the top of the primary content area and clear elements under them.
Remove unnecessary overflow:hidden style.
Add compiled css for previous commit.
Replace all usages of 'intrinsic' with 'auto' for width.
Set image float and smaller width for only item file gallery.
Expand item pagination links to full width of containers, consolidate record image and featured record styles, remove unnecessary bottom margins from featured records.
Make items/show secondary padding style more specific.
Merge branch 'master' into pmj-museums

Conflicts:
	items/show.php