create in game interface panels and renable about and options windows

modules/about/about.lua

@@ -0,0 +1,19 @@
+About = {}
+
+-- private variables
+local about
+
+-- public functions
+function About.create()
+  about = UI.loadAndDisplay("/about/about.otui")
+  UI.root:lockChild(about)
+end
+
+function About.destroy()
+  about:destroy()
+  about = nil
+end
+
+function About.openWebpage()
+  displayErrorBox("Error", "Not implemented yet")
+end