Add collaboration instructions to README.md
Add GPLv3 license
Drop RequireJS, it wasn't really doing much for us
Use Cookies.js to save the sanitized nickname for future pageloads
Merge all vendor libraries; merge main.js into scrum_cards_client.js
Delete obsolete RequireJS and main.js
Merge _cookies -> dev: Use Cookies.js to save nickname for later visit; aggregate scripts
Version increment to 1.0.2