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
Added Easing API
added Easing test API
Finished Easing function
finished transition API;
now, Transition does not subclass Selection
Merge branch 'transitions-api'
added Math API + TESTS
added license for new files
Added d3.format and Tests
Merge pull request #58 from ericcitaire/master

Time Intervals (issue #25)
Merge pull request #59 from ericcitaire/master

Change date formats so Firefox can parse it.
removed module d3-ui (out of scope)