Merge branch 'release/0.23.0' into develop
Small tweak
Tossing the tests (will replace with something leaner) -- sorry TravisCI, you're not going to like this!
Updated Ruby version in rbenv version file and added initial view for drag and drop example
Added drag and drop html5 example and added it to the examples list
Updated docs
Merge branch 'release/0.24.0'