JSON backend: Made the filenames less strange.
JSON backend: Made the filenames less strange.

kirbyfan64/rock,cogneco/rock,marcusnaslund/rock,zhaihj/rock,thomasfanell/rock,ds84182/rock,marcusnaslund/rock,fredrikbryntesson/rock,ooc-lang/rock,davidhesselbom/rock,cogneco/rock,jonathanudd/rock,ds84182/rock,kirbyfan64/rock,jonathanudd/rock,shamanas/rock,thomasfanell/rock,magic-lang/rock,shamanas/rock,fasterthanlime/rock,zhaihj/rock,davidhesselbom/rock,fasterthanlime/rock,magic-lang/rock,fredrikbryntesson/rock,ooc-lang/rock