Exclude obsolete project out of group's statistic: https://bugzilla.redhat.com/show_bug.cgi?id=1033446
Refactor filter list by using query
Refactor method name
Merge pull request #290 from zanata/rhbz1033446

Exclude obsolete project out of group's statistic: https://bugzilla.redhat.com/show_bug.cgi?id=1033446