WebApps with LocalStorage and AppCache/Build

This learning module of AppLSAC will introduce in the  of your WebApp. The included learning obejctives are:
 * NPM (Node Package Manager)
 * Browserify, to convert the NodeJS modules into Javascript library, that a browser can import and interpret.
 * Watchify and NodeMon to monitor the source code for changes and trigger a build process automatically when source code changes.