Add is_filter_only to determine if alias is for filtering only
Add is_filter_only to determine if alias is for filtering only

AleksNeStu/ggrc-core,AleksNeStu/ggrc-core,VinnieJohns/ggrc-core,plamut/ggrc-core,AleksNeStu/ggrc-core,VinnieJohns/ggrc-core,plamut/ggrc-core,plamut/ggrc-core,VinnieJohns/ggrc-core,VinnieJohns/ggrc-core,plamut/ggrc-core,AleksNeStu/ggrc-core