Added PainEval Image, updated PainEval model, view, and controller
Merge remote-tracking branch 'origin/master'

Conflicts:
	HW2013Endometriosis.Plugins.Problems.Endometriosis/src/hw2013Endometriosis/plugins/problems/endometriosis/model/EndometriosisHealthActionInputControllerFactory.as
	HW2013Endometriosis.Plugins.Problems.Endometriosis/src/hw2013Endometriosis/plugins/problems/endometriosis/model/EndometriosisModel.as