Add virtual projects to challenges listing project filter (#555)
Add virtual projects to challenges listing project filter (#555)


Crashfreak/maproulette2,mvexel/maproulette2,mgcuthbert/maproulette2,mgcuthbert/maproulette2,mvexel/maproulette2,maproulette/maproulette2,maproulette/maproulette2,Crashfreak/maproulette2,maproulette/maproulette2