Added TestTransition
Continue Transitions/Interpolators API
Refactored Array.create: renamed to "fromXXX" and added convenient
methods to create Array instance from primitive arrays
Added Value.getProperty + add missing header
Added Timer API
Added LorenzSystem Demo
Update README.md

Added Goals section
Update README.md

typo fix
Update README.md
Added Easing API
added Easing test API
Don't use Calendar anymore and move some tests in the appropriate class.
Finished Easing function
Simplified tests. It's much better like this.
Move an assert method in abstract class.
Add alias methods and associated tests. Add some more tests.
finished transition API;
now, Transition does not subclass Selection
Merge branch 'transitions-api'
added Math API + TESTS
added license for new files