Added insert, update, and delete methods for Garden
Added insert, update, and delete methods for Garden

https://app.asana.com/0/201954860780444/205761505868179

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