1. Use Require.js to load third party/common javascript files in dev environment
2. Specify the dependency between javascript files in webroot/js/main.js
3. Removed the inclusion of third party/common javascript files in
dashboard.tmpl except require.js
4. Upgraded requirejs to 2.1.14

Change-Id: Ie4b1de7a0a82d27e3604171de6b098a81da2b2b5
Merge "1. Use Require.js to load third party/common javascript files in dev environment 2. Specify the dependency between javascript files in webroot/js/main.js 3. Removed the inclusion of third party/common javascript files in dashboard.tmpl except require.js 4. Upgraded requirejs to 2.1.14"