split KB patterns and solutions; closes #152

Signed-off-by: Michal Toman <mtoman@redhat.com>
respect OpSys in KB; closes #160

Signed-off-by: Michal Toman <mtoman@redhat.com>
extend KB to look at package name; closes #151

Signed-off-by: Michal Toman <mtoman@redhat.com>