README - formatting done

added formatting for headings and sub-headings
Updated README file with PLACE, EXIT Commands
Adding PLACE command for the Robot which places the Robot Replica on tabletop
Adding a robot simulator class which executes the commands. This class acts as interface between user and robot, table top.
This class contains PLACE command working. This will be enhanced for other commands
updated spec helper to include robot simulator class, added RSPec Configurations
Adding Spec class for testing robot simulator. This contains PLACE command test cases for an initial commit.
Adding Report class containing REPORT command which returns the location and orientation of the Robot Replica
Added .project to git ignore to ignore this file in further commits
Updated class to add REPORT command
Added REPORT test cases for before and after placing Robot on tabletop
Adding LEFT command class to robot commands
Adding RIGHT command to robot command classes
Updated to enable RIGHT and LEFT commands fron simulator
Added Specs for testing RIGHT and LEFT commands on Robot before and after placing on tabletop
Merge remote-tracking branch 'origin/robot-specifications'