Provide default config for reporter-upload

Closes #243.

Signed-off-by: Richard Marko <rmarko@redhat.com>
spec: provide default config for reporter-upload

Closes #243.

Signed-off-by: Richard Marko <rmarko@redhat.com>
Merge pull request #244 from abrt/gh243-reporter_upload_defconf

reporter upload should provide default config