VID-1551 cleaning up some old/unused video code
VID-1551 some more removal of videoPlayButtonOverlay code
VID-1551 getting rid of last instances of videoPlayButtonOverlay. Also removing any video logic from latest photos controller as it's never used
VID-1551 more old code removal
VID-1551 removing old file
VID-1551 removing 'useTemplate' from Oasis
VID-1551 updating css classes
VID-1551 updating markup for unit test
VID-1551 whitespace
Merge pull request #4247 from Wikia/VID-1551

Vid 1551