{iPad - story detail} make “NEXT STORY” highlightable

Also created MITHighlightOnTouchView so any view we create can be highlightable on touch.

References Issue #67
Moved MITNewsLoadMoreCollectionViewCell to correct system folder.

Reset height to original.
"123”
does not equal
"123"
Merge pull request #311 from MIT-Mobile/3.6/ipad-highlight-next-story

3.6/ipad highlight next story