abrt-cli list: list all problems by default

The list of not-reported problems can be show by passing "-n" as an
command line argument.

Related to rhbz#1036585

Signed-off-by: Jakub Filak <jfilak@redhat.com>
abrt-cli: display URL to reports in the details

Related to rhbz#1036585

Signed-off-by: Jakub Filak <jfilak@redhat.com>
testsuite: adapt to the new abrt-cli list API

-f command line argument has been dropped because "abrt-cli list"
displays all problems by default

Related to rhbz#1036585

Signed-off-by: Jakub Filak <jfilak@redhat.com>
testsuite: add tests for abrt-cli list "not-reported" option

Related to rhbz#1036585

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