Merge pull request #12 from rickcarlino/master

Happy December, FarmBot team.
Merge pull request #13 from rickcarlino/master

December 3rd
Upgrade to recent version of Rails for security fix.
README setup instructions and outline for more detail.
Add $ to bash
Merge pull request #16 from cpursley/master

Upgrade to recent version of Rails for security fix.
updated readme to define what OpenFarm is.
Added MIT License
Add MIT license.
Merge pull request #19 from cpursley/master

Add MIT license.
Commit changes for thursday
Commit changes for thursday
done updating readme.md