tdf#101386 changed URL to DevBuild page

The general cleanup of wiki development, removed a page, that configure.ac uses.

Page restored, and script updated to point at correct page.

Change-Id: Ie9a7fb6d9079506171b6ca318736626bfc742b98

configure.ac

@@ -1398,7 +1398,7 @@ AC_ARG_ENABLE(extension-update,
 AC_ARG_ENABLE(release-build,
     AS_HELP_STRING([--enable-release-build],
         [Enable release build.
-         See http://wiki.documentfoundation.org/DevBuild]),
+         See http://wiki.documentfoundation.org/Development/DevBuild]),
 ,)
 
 AC_ARG_ENABLE(windows-build-signing,