Add jQuery Mobile initializePage method

jquerymobile/jquerymobile-tests.ts

@@ -251,4 +251,8 @@ function test_listview() {
     $.mobile.listview.prototype.options.theme = "a";
     $('#mylist').listview();
     $('#mylist').listview('refresh');
+}
+
+function test_misc() {
+    $.mobile.initializePage();
 }

jquerymobile/jquerymobile.d.ts

@@ -277,11 +277,12 @@ interface LoadPageOptions {
 interface JQueryMobile extends JQueryMobileOptions {
 
     changePage(to: any, options?: ChangePageOptions): void;
+    initializePage(): void;
     loadPage(url: any, options?: LoadPageOptions): void;
-    loading(command: string, options?): void;
-  
+    loading(command: string, options? ): void;
+
     base;
-    silentScroll(yPos: number):void;
+    silentScroll(yPos: number): void;
     activePage;
 
     options: JQueryMobileOptions;