Fixed autoplay playlist. Added Repeat Button. Disabled context menu.

Bug fixes:
-Fixed autoplay playlist.(was autoplaying next video regardless of
setting).(Note: 'loop' event does not trigger 'ended')
Added:
-Repeat Button.(Note: calls video.'loop')
Modified behavoir:
-Disabled context menu while in normal screen.
To do:
-Add context menu(in fullscreen also);
-Add related videos thumbnails when 'ended'
-Fix CSS on parteners pages.