Use comp- prefix for instruction card component
Upgrade React to 0.11.1

This also upgrades Rails to the latest version 
(4.1.5).
Use namespaced component notation
Extract lobby buttons to separate view

Also fixes showing the proper join/leave button
after a players joins/leaves.
Refactor to separate SidePanel view
Use namespaced React JSX component declaration
Move programming registers from game to player

Also use namespaced React component naming