fixes #1 and #2
Merge pull request #4 from mhuttner/master

fixes #1 and #2
Fix IE issues.
Fix class addition and highlighting issues when drag starts.
added bower.json
Merge pull request #8 from chevalric/master

added bower.json
Add a Bitdeli badge to README
Merge pull request #12 from bitdeli-chef/master

Add a Bitdeli Badge to README
Merge pull request #13 from ganarajpr/master

Merge other way.