Added alternative API for EventMap::off
Updated readme
Remove udefine dependency
Remove udefine dependency in package.json
Add alternative license
API changes

* Don't leak too many object
* Add mixin option
* Use generic UMD
Remove udefine config
Add load-grunt-config and jit-grunt packages
Update packages
Update gruntfile
Add clean grunt config
Add grunt coffee config
Add coffeelint grunt config
Add mochaTest grunt config
Update gruntfile reference
Add uglify grunt config
Update readme
Add grunt clean plugin
Fixes syntax and lint errors
Remove udefine reference