Merge pull request #20 from alezucco/master

solved scrolling issue
refork
add scroll listeners
add event listeners to scroll file
added an additional listener for event not yet reached
added event handlers for y position and cleaned up code and comments
clean up emit events
fix scroll logic with scroller file
Merge pull request #22 from Morgantheplant/master

fix scroll logic with scroller.js file
complete tinder style drag and spring