Keep same references on data
added bower.json to project
quick fix to bower.json
Merge branch 'master' of https://github.com/novus/nvd3

Conflicts:
	bower.json
Merge branch 'fix-dereferencing' of https://github.com/Marsup/nvd3 into master-263
Issue #263. Fixed bug in stackedArea where the data[i].values array was being set to undefined.
Merge branch 'master' into development

Conflicts:
	bower.json