rhtsupport: re-prompt for credentials

Related to rhbz#1104313

Signed-off-by: Jakub Filak <jfilak@redhat.com>
rhtsupport: attach the contact email to bthash

Related to rhbz#1150388

Signed-off-by: Jakub Filak <jfilak@redhat.com>
ureport: document rhsm-entitlement in the man page

Related: #1140224

Signed-off-by: Jakub Filak <jfilak@redhat.com>
rhtsupport: send ureport before creating description

Because we want to include the URL to uReport stored in 'reported_to'
file in the description.

Related: #1139987

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