Merge pull request #22 from alouisos/master

Solutions to first challenge by LA Louizos
Add Challenge3 energy data by Challenge1's
Add house data for challenge3
Add Challenge3 discription
Fix general step in README
Add webapp directory
Add .gitignore
Rails new
Setup database.yml
Add Gemfile.lock
rails g scaffold energy label:integer house_id:integer year:integer month:integer temperature:decimal daylight:decimal energy_production:integer
rails g scaffold house firstname:string lastname:string city:string num_of_people:integer has_child:string
Load seed data from csv
Add bar chart of EnergyProduction for each house
Modify root URL and title message
Install heroku gem
Disable turbolinks
Merge pull request #23 from camenergydatalab/feature/CED-1589_challenge_3_web_app

Add Challenge3 web app
Merge pull request #24 from camenergydatalab/challenge3/sample

[WIP] Sample challenge for Challenge3
Fix README.md typos