Merge pull request #9 from Eye-Static/zach

Zach
drag/drop now works (not to grid), changed lots of minor things, sorry
fix merge conflicts, made some compromises
Merge pull request #10 from Eye-Static/andy

drag/drop now works (not to grid),
add snap to grid ability
Merge branch 'master' into andy
Merge pull request #11 from Eye-Static/andy

Add snap to grid ability and add autoprefixers to build
reorganized main function, edited css, added button