VID-1963 Implented new thumbnailer in gallery code
VID-1963, VID-1969 Integrate new thumbnailer and add borders for small images
VID-1963, VID-1969 - Spacing
VID-1963 Update with comments from PR
VID-1963 Update function docs
VID-1963 Update comment
Merge pull request #4660 from Wikia/VID-1963

Vid 1963