Expose the AdMob application ID option (#7)

Author: Lizard-13

Bindings/Bindings.idl

@@ -271,6 +271,8 @@ interface Project {
     [Const, Ref] DOMString GetPackageName();
     void SetOrientation([Const] DOMString orientation);
     [Const, Ref] DOMString GetOrientation();
+    void SetAdMobAppId([Const] DOMString adMobAppId);
+    [Const, Ref] DOMString GetAdMobAppId();
     void SetProjectFile([Const] DOMString file);
     [Const, Ref] DOMString GetProjectFile();
     void SetDefaultWidth(long width);