Add wxUSE_UIACTIONSIMULATOR and turn it off by default.

Disable the recently added wxUIActionSimulator class until the issues with it
mentioned at http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/119792/
are fixed.

Also use "" around wx headers instead of <> in wx code itself.

See #11801.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63736 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/uiaction/uiaction.cpp

@@ -24,6 +24,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_UIACTIONSIMULATOR
+
 // for all others, include the necessary headers (this file is usually all you
 // need because it includes almost all "standard" wxWidgets headers)
 #ifndef WX_PRECOMP
@@ -164,3 +166,5 @@ void MyFrame::OnButtonPressed(wxCommandEvent&)
 {
     m_buttonPressed = true;
 }
+
+#endif // wxUSE_UIACTIONSIMULATOR