Fix #281. Set status of requirement and stage to edited

# What's changed
* A small fix to how the guides work. If status wasn't set it would create a new requirement if there hadn't been any requirements already.

# What's next
* Still the garden stuff. Exploring some backbone stuff as well.
I thought you removed a reference to the config file? [here](https://github.com/FarmBot/OpenFarm/pull/278/files#diff-76553e1f3240402d88d463644bf1f06bL7)