Merge pull request #1 from neptooo/master

Dynamic chart
Modify data
Implement multi-barchart
1st version with multiple charts
New version : Multiple charts
Ember-d3-component 0.0.3
Update README.md
Add new parameter (formatXAxis)
Merge branch 'master' of https://github.com/MythX/ember-d3-component
Update README.md
Changed formatXAxis on demo
Merge branch 'master' of https://github.com/MythX/ember-d3-component
Fix problem with old line-chart component
Update README.md
Bar-chart multicolor, line-chart animation
Version 0.0.4

Changelog :
 - multicolor bar chart
 - animation for line-chart
Merge branch 'master' of https://github.com/MythX/ember-d3-component
Update README.md
Update version
Fix verison in bower