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.

Related to rhbz#1094203

Signed-off-by: Matej Habrnal <mhabrnal@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>
Merge pull request #282 from abrt/rhbz1094203_add_new_workflow_2

add workflow for mailx, logger and uploader