gtk2 2.24.30 and gtk3 3.20.2

next time: write a script that copies all required files from /usr/local to the git repo...

gtk-nsis-pack/share/glib-2.0/schemas/org.gtk.Demo.gschema.xml

@@ -12,6 +12,15 @@
     <key name='color' enum='org.gtk.Demo.Color'>
       <default>'red'</default>
     </key>
+    <key name='window-size' type='(ii)'>
+      <default>(-1, -1)</default>
+    </key>
+    <key name='maximized' type='b'>
+      <default>false</default>
+    </key>
+    <key name='fullscreen' type='b'>
+      <default>false</default>
+    </key>
   </schema>
 
 </schemalist>