irr computation
Merge branch 'master' of ssh://github.com/phun/CrowdsourcingPhotoshop
Merge branch 'master' of ssh://github.com/phun/CrowdsourcingPhotoshop
Merge branch 'master' of ssh://github.com/phun/CrowdsourcingPhotoshop
Merge branch 'master' of ssh://github.com/phun/CrowdsourcingPhotoshop
after chi deadline