Added testing suite; added tests for layer, and scatter; cleaned up grunt build
Added bower_components to gitignore
Axis api clears tests
Scatter model passes tests
dispatch and optionsFunc testing
Added scatterchart test
Added line tests
Added lineChart tests
Added cumulativeLineChart tests
Refactor api tests to use config
Added more chart api test
Added test for size api
Merge pull request #54 from fshao816/canvas_testing

Canvas testing