add augeas module for abrt configuration files

Uses the lens from the Libreport module since abrt uses libreport for
loading and saving configuration files.

The module only specifies the included files.

Related to abrt/libreport#205

Signed-off-by: Jakub Filak <jfilak@redhat.com>

mmilata: stop configure if augparse not found
spec: add abrt's augeas module

Related to abrt/libreport#205

Signed-off-by: Jakub Filak <jfilak@redhat.com>

mmilata: add BuildRequires augeas (needed by make check)
Merge branch 'gh_libreport_205'