merge the changes in the master branch (#7)

* added browser javascript

* removed unneed theme configuration file

* added dependences

* new js version based on js/main.js

* changes to js

* test global variable

* added main file to generated js file

Author: chicco785

js/main.js

@@ -0,0 +1,3 @@
+var FIWARE = window.FIWARE || {};
+FIWARE.NgsiV2 = require('ngsi_v2');
+window.FIWARE = FIWARE;

js/ngsi.js

@@ -1,5 +1,7 @@
 require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-var NgsiV2 = require('ngsi_v2');
+var FIWARE = window.FIWARE || {};
+FIWARE.NgsiV2 = require('ngsi_v2');
+window.FIWARE = FIWARE;
 
 },{"ngsi_v2":10}],2:[function(require,module,exports){
 /**