Change js interface for plugins and add configuration

theme/javascript/gitbook.js

@@ -0,0 +1,47 @@
+define([
+    "jQuery",
+    "utils/storage",
+    "utils/sharing",
+
+    "core/events",
+    "core/state",
+    "core/keyboard",
+    "core/navigation",
+    "core/progress",
+    "core/sidebar",
+    "core/search"
+], function($, storage, sharing, events, state, keyboard, navigation, progress, sidebar, search){
+    var start = function(config) {
+        var $book;
+        $book = state.$book;
+
+        if (state.githubId) {
+            // Initialize storage
+            storage.setBaseKey(state.githubId);
+        }
+
+        // Init sidebar
+        sidebar.init();
+
+        // Load search
+        search.init();
+
+        // Init keyboard
+        keyboard.init();
+
+        // Bind sharing button
+        sharing.init();
+        
+        // Init navigation
+        navigation.init();
+
+        $(document).trigger("bookReady");
+
+        events.trigger("start", config);
+    }
+
+    return {
+        start: start,
+        events: events
+    };
+});