Figure out how ALE works

[atilberk]

Learn how to work on Arcade Learning Environment by answering these questions and explain on wiki:

• What are those and how do they work?
  • Agent
  • Environment
  • Interface (FIFO etc.)
• How do we program an agent?
  • Is there a language restriction?
  • How do we get inputs and policies of games
• What command-line arguments are we going to utilise?