Adds CircleCI to generate documentation refs #2983
Adds CircleCI to generate documentation refs #2983

MasterDuke17/doc,tbrowder/doc,MasterDuke17/doc,tbrowder/doc,perl6/doc,perl6/doc,tbrowder/doc,MasterDuke17/doc,perl6/doc,perl6/doc,MasterDuke17/doc,tbrowder/doc,perl6/doc