Added webpack build, karma test runner, travis config

webpack.config.js

@@ -0,0 +1,31 @@
+var webpack = require("webpack");
+var path = require('path');
+var PROD = (process.env.NODE_ENV === 'production')
+var hostname = "localhost";
+var port = "8080";
+
+module.exports = {
+	entry: {
+		epub: "./src/epub.js",
+	},
+	devtool: 'source-map',
+	output: {
+		path: path.resolve("./dist"),
+		filename: "[name].js",
+		sourceMapFilename: "[name].js.map",
+		library: "ePub",
+		libraryTarget: "umd"
+	},
+	externals: {
+		"jszip": "JSZip",
+		"xmldom": "xmldom"
+	},
+	plugins: [
+		// new webpack.IgnorePlugin(/punycode|IPv6/),
+	],
+	devServer: {
+		host: hostname,
+		port: port,
+		inline: true
+	}
+}