added test inserting a PlantArea, editing it, and then updating it https://app.asana.com/0/201562232002793/205761505868171
added test inserting a PlantArea, editing it, and then updating it
https://app.asana.com/0/201562232002793/205761505868171

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