initial commit
updated readme and build
updated package files
add repository to package.json
added jsdoc annotation to all src files
added yuidoc build tasks
added travis-ci integration
added travis-ci status to readme
updated readme
added jsdoc annotations to build
updated readme
updated readme
Add main field to package.json
Merge pull request #6 from sethvincent/master

Add main field to package.json
updated readme
added new build tasks for development build
added clone method to common, extend now has option to disable deep
added new events class
refactored pair manager, added new events to engine
separated gravity function, applying forces now wakes sleeping bodies