Don't forward outup of gen-version to version file

- forwarding of output causes that the version file is deleted and
  gen-version adds "dirty" suffix to version

Signed-off-by: Jakub Filak <jfilak@redhat.com>
Add make upload target

Signed-off-by: Jakub Filak <jfilak@redhat.com>
0.2.7

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