Fixes checkstyle violations.
Merge remote-tracking branch 'origin/release/2.4' into feature/carousel
Carousel api changes

Added function to tell if a tile is visible (or partially hidden).
Added function to move a tile to the center of the viewport.
Added code when clicking a partially hidden tile to move it to the center.
Fixed some index problems - tiles are indexed starting at 1 for the first tile.
Carousel fixed indexing issues in repeatable

Fixed a couple instances that were targeting the wrong tile.