bumping release number to 0.2

git-svn-id: https://scm.gforge.inria.fr/authscm/cfourrie/svn/lingwb/MElt/trunk@2823 dc05b511-7f1d-0410-9f1c-d6f32a2df9e4

configure.ac

 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.59)
-AC_INIT(MElt, 0.1, Pascal.Denis@inria.fr and Benoit.Sagot@inria.fr)
+AC_INIT(MElt, 0.2, Pascal.Denis@inria.fr and Benoit.Sagot@inria.fr)
 AM_INIT_AUTOMAKE
 
 # Checks for programs.