plugins: add abrt-action-generate-machine-id

Related to rhbz#1140044

Signed-off-by: Jakub Filak <jfilak@redhat.com>
spec: add abrt-action-generate-machine-id

Related to rhbz#1140044

Signed-off-by: Jakub Filak <jfilak@redhat.com>
Merge pull request #847 from abrt/rhbz1139552_machineid

Add a new action generating 'machineid' problem element