Initial work on breaking converse.js up into components

First component to remove is MUC which was moved to src/converse-muc.js
The components are written as plugins and use converse.js's plugin machinery.

Update the plugin docs somewhat with new insites found while working on the muc
plugin.

docs/source/development.rst

@@ -837,6 +837,26 @@ An example plugin
         // The following line registers your plugin.
         converse_api.plugins.add('myplugin', {
 
+            initialize: function () {
+                // Converse.js's plugin mechanism will call the initialize
+                // method on any plugin (if it exists) as soon as the plugin has
+                // been loaded.
+
+                // Inside this method, you have access to the protected "inner"
+                // converse object, from which you can get any configuration
+                // options that the user might have passed in via
+                // converse.initialize. These values are stored in the
+                // "user_settings" attribute.
+                
+                // Let's assume the user might in a custom setting, like so:
+                // converse.initialize({
+                //      "initialize_message": "My plugin has been initialized"
+                // });
+                //
+                // Then we can alert that message, like so:
+                alert(this.converse.user_settings.initialize_message);
+            },
+
             myFunction: function () {
                 // This is a function which does not override anything in
                 // converse.js itself, but in which you still have access to

main.js

@@ -17,8 +17,6 @@ require.config({
         "backbone":                 "components/backbone/backbone",
         "backbone.browserStorage":  "components/backbone.browserStorage/backbone.browserStorage",
         "backbone.overview":        "components/backbone.overview/backbone.overview",
-        "converse-dependencies":    "src/deps-full",
-        "converse-templates":       "src/templates",
         "eventemitter":             "components/otr/build/dep/eventemitter",
         "jquery":                   "components/jquery/dist/jquery",
         "jquery-private":           "src/jquery-private",
@@ -45,6 +43,12 @@ require.config({
         "utils":                    "src/utils",
         "polyfill":                 "src/polyfill",
         
+        // Converse
+        "converse-core":            "src/converse-core",
+        "converse-muc":             "src/converse-muc",
+        "converse-dependencies":    "src/deps-full",
+        "converse-templates":       "src/templates",
+
         // Off-the-record-encryption
         "bigint":               "src/bigint",
         "crypto":               "src/crypto",
@@ -195,7 +199,7 @@ require.config({
 });
 
 if (typeof(require) === 'function') {
-    require(["converse"], function(converse) {
-        window.converse = converse;
+    require(["converse"], function(converse_api) {
+        window.converse = converse_api;
     });
 }