upgrade d3 to v3 and fix some broken test cases
upgrade d3 from v2 to v3
fix pie chart test cases
[#106] upgrade d3 to v3
Merge branch 'master' of github.com:NickQiZhu/dc.js

Conflicts:
	dc.min.js
Merge branch 'master' of github.com:NickQiZhu/dc.js

Conflicts:
	dc.min.js
fix test failure on travis
upgrade d3 -> 3.0.7 & crossfilter -> 1.1.1
upgrade jsdom -> 0.5.1
fix travis test failure
fix broken pie chart test
Make require('dc') work in node

Fixes problems loading the module in node.
Merge pull request #138 from bewest/topics/npm

Make require('dc') work in node
[#113] reset _refocus flag
cache x unit count and improve example page focus performance
[#132] implement remove and replace geojson layer methods
[#131] introduce filter handler
start v1.3 dev
added row chart prototype
added marginable.js and revised test cases