Updating package.json so NPM is happy.
Updating package.json so NPM is happy.

rockmandew/picturefill,scottjehl/picturefill,yubin-huang/picturefill,yufi113/picturefill,guardian/picturefill,guardian/picturefill,albell/picturefill,demateu/picturefill,chrismcandrew/picturefill,mcanthony/picturefill,samiadelgado/picturefill,iancrowther/picturefill,footiealf/picturefill,scottjehl/picturefill,footiealf/picturefill,albell/picturefill,purposeindustries/picturefill,ddeveloperr/picturefill,purposeindustries/picturefill,demateu/picturefill,chrismcandrew/picturefill,patrickkettner/picturefill,samiadelgado/picturefill,ddeveloperr/picturefill,iancrowther/picturefill,yubin-huang/picturefill,rockmandew/picturefill,mcanthony/picturefill,patrickkettner/picturefill,yufi113/picturefill