workflow: add new workflows

Add workflow for logger, mailx and reportuploader. These workflows are disabled
because the plugins that ships these workflows are installed by default but we
don't want to offer users these workflows in report-cli/report-gtk by default.

Resolves rhbz#1094203

Signed-off-by: Matej Habrnal <mhabrnal@redhat.com>
Signed-off-by: Jakub Filak <jfilak@redhat.com>
spec: update the spec file to work with the last commit

Related to rhbz#1094203

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