Move Python support from experimental to stable features.

-GNU mailutils NEWS -- history of user-visible changes. 2011-11-23
+GNU mailutils NEWS -- history of user-visible changes. 2011-12-17
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 Free Software Foundation, Inc.
 See the end of file for copying conditions.
@@ -29,7 +29,6 @@ experimental.  Not currently implemented are:
 Experimental features are:
 
  - C++ bindings
- - Python bindings
 
 The discussion below lists the changes in this release.  It is divided
 in three major sections, each addressing a particular audience.  The
@@ -158,7 +157,7 @@ This can be disabled using the --without-gsasl option.
 
 ** Experimental features
 
-The C++ and Python bindings are considered experimental and unstable.
+The C++ bindings are considered experimental and unstable.
 
 * Changes to the library
 

@@ -1167,7 +1167,7 @@ case "${enableval}" in
   yes) status_python=yes ;;
   no)  status_python=no ;;
   *)   AC_MSG_ERROR(bad value ${enableval} for --enable-python) ;;
-esac],[status_python=$mu_build_experimental])
+esac],[status_python=yes])
 
 AC_SUBST(PYTHON_LIBS)
 AC_SUBST(PYTHON_INCLUDES)