[#84] fix brush rounding issue when bar is centered
start dev work for v1.1
[#85] fix issue #85 by adding safe arc generation function
Merge branch 'gh-pages-dev' of github.com:NickQiZhu/dc.js into gh-pages-dev
improve unit test compatibility
making bar chart working with empty groups
[#90] improve bar/stackable chart's handling of empty groups
[#96] fix issue #96 in single selection chart
fix #98 on bar chart ranged selection
Merge branch 'gh-pages-dev' of github.com:NickQiZhu/dc.js into gh-pages-dev

Conflicts:
	js/dc.js
[#103] fix broken bubble chart selection
improve filtering robustness
[#108] only draw bars within x domain
[#108] implement simple clipping for line chart
[#108] complete clipping implementation for composite chart
fine tuned bar title setting performance
Merge branch 'master' of git01.thoughtworks.com:sip-america-dashboard/tea

Conflicts:
	index.html
	lib/dc.js
	style.css
Merge branch 'gh-pages-dev' of github.com:NickQiZhu/dc.js into gh-pages-dev
[#104] improve xunit handling
[#67] introduce filtered listener