Bump version

Overview of changes:

 *  Support jattool-report (and whole jattool) on older distros

    It was assumed that full jattool won't be available on RHEL-6 and
    CentOS 6 due to Jinja, but that's not correct.

 *  Add mention of convenience script for enabling repos on old boxes.

mkit.ini

 [project]
-    version     = 0.0.2
+    version     = 0.0.3
     name        = jattool
     tagline     = Tool and related code for JAT testing framework
     pkgname     = jattool