implemented jsonSerializable
implemented jsonSerializable

https://app.asana.com/0/201584019463878/205761505868175

rdicharry/growify-fork-20161209,DannyEaton/growify,DannyEaton/growify,rdicharry/growify-fork-20161209,rdicharry/growify-fork-20161209,DannyEaton/growify