Force the draggable element to be inside the window
Add swipe directive
Add permalink parameter
Add compare menu
Makes draggable directive available for touch devices
Makes swipe directive available for touch devices
Fix css and the display of layer's name
Add translation identifiers
Replace 'swipe' permalink param by 'swipe_ratio' like in RE2
Remove useless scope.ratio property
Ignore highlight layer
Initialize starting point for each start event
Keep swipe ratio on window resize