Added back compiler clang for travis
Added back compiler clang for travis

jnsmalm/gameplay,jnsmalm/gameplay,jnsmalm/gameplay,jnsmalm/gameplay-dist,jnsmalm/gameplay,jnsmalm/gameplay-dist,jnsmalm/gameplay,jnsmalm/gameplay,jnsmalm/gameplay-dist,jnsmalm/gameplay,jnsmalm/gameplay-dist