Version 0.2: make it configurable

[yogodoshi]

Description

People should be able to create their own website by simply:

1. clone the repo
2. change a yaml file
3. deploy to heroku
4. "just works™"

To-do

• [x] find an easy way to allow non-programmers to config the app
  • [x] see if https://github.com/railsconfig/config works fine with heroku
• [x] allow people to change:
  • [x] explanation of how it works in layouts/application
  • [x] website title
  • [x] twitter handle of the company
  • [x] company name
  • [x] customize the random tweets list
• [x] remove the twitter messages that only works for banks, allow people to add their own through the settings file
• [x] Write tutorial in portuguese in the README explaining how to deploy your own
• [ ] Q&A whole process