README updates: added features and yeoman installation details.
README updates: added features and yeoman installation details.

johnstonbl01/clementinejs-beginner,ajohn1215/personal-site,sannek/ido-quickorder,solms/market-tracker,lukaskwkw/fcc-voting-app,solms/market-tracker,sannek/ido-quickorder,ajohn1215/personal-site,johnstonbl01/clementinejs-beginner,lukaskwkw/fcc-voting-app