Fix incorrect upperlower-casing of zbar.js file (pt2 of 2)

www/zbar.js

@@ -0,0 +1,23 @@
+var argscheck = require('cordova/argscheck'),
+    exec      = require('cordova/exec');
+
+function ZBar () {};
+
+ZBar.prototype = {
+
+    scan: function (params, success, failure)
+    {
+        argscheck.checkArgs('*fF', 'CsZBar.scan', arguments);
+
+        params = params || {};
+        if(params.text_title === undefined) params.text_title = "Scan QR Code";
+        if(params.text_instructions === undefined) params.text_instructions = "Please point your camera at the QR code.";
+        if(params.camera != "front") params.camera = "back";
+        if(params.flash != "on" && params.flash != "off") params.flash = "auto";
+
+        exec(success, failure, 'CsZBar', 'scan', [params]);
+    },
+
+};
+
+module.exports = new ZBar;