Closes-Bug: 5 Description: Improves the README with more finer details
Closes-Bug: 5
Description: Improves the README with more finer details

This fix addresses the following details in installation & Setup
of Service Fabrik Broker:

1. Adds a reference to motivation behind Service Fabrik Broker
2. Adds Table of Contents
3. Updates the docker installation url for ubuntu
4. Adds a step to manage docker as a non-root user. This is
required else you hit socket connection errors.
5. Adds a step to deploy cloud foundry.
6. Adds a step to install cf cli

sauravmndl/service-fabrik-broker,sauravmndl/service-fabrik-broker,sauravmndl/service-fabrik-broker,sauravmndl/service-fabrik-broker