Adds missing assets to fix quiz scrollers
Merge branch 'fix/missing-assets' into develop

* fix/missing-assets:
  Adds missing assets to fix quiz scrollers

Conflicts:
	ThunderCloud/TSCCollectionListItem.h
Merge branch 'develop' of https://github.com/3sidedcube/iOS-ThunderCloud into develop

# By Simon Mitchell
# Via Simon Mitchell
* 'develop' of https://github.com/3sidedcube/iOS-ThunderCloud:
  Fixes video automatically reloading if hasn't timed out trying to stem youtube video