Fix internal errors produced by menu genetor

Closes #177

Signed-off-by: Jakub Filak <jfilak@redhat.com>
Signed-off-by: Richard Marko <rmarko@redhat.com>
dump dirs: sort the list and print archive size

Related to #178

Signed-off-by: Jakub Filak <jfilak@redhat.com>
Signed-off-by: Richard Marko <rmarko@redhat.com>
dump dirs: check if the dump location exists

Related to #178

Signed-off-by: Jakub Filak <jfilak@redhat.com>
Signed-off-by: Richard Marko <rmarko@redhat.com>
dump dirs: delete list of dump dirs

Related to #178

Signed-off-by: Jakub Filak <jfilak@redhat.com>
Signed-off-by: Richard Marko <rmarko@redhat.com>
dump dirs: add multiple dump dir download

Related to #178

Signed-off-by: Jakub Filak <jfilak@redhat.com>
Signed-off-by: Richard Marko <rmarko@redhat.com>
dump dirs: add download/delete all buttons

Related to #178

Signed-off-by: Jakub Filak <jfilak@redhat.com>
Signed-off-by: Richard Marko <rmarko@redhat.com>
dump dirs: show storage state

Closes #178

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