clean up representations in baseframe
clean up representations in baseframe

aleksandr-bakanov/astropy,mhvk/astropy,lpsinger/astropy,lpsinger/astropy,dhomeier/astropy,AustereCuriosity/astropy,mhvk/astropy,larrybradley/astropy,MSeifert04/astropy,AustereCuriosity/astropy,saimn/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,pllim/astropy,dhomeier/astropy,larrybradley/astropy,AustereCuriosity/astropy,astropy/astropy,DougBurke/astropy,funbaker/astropy,DougBurke/astropy,AustereCuriosity/astropy,larrybradley/astropy,bsipocz/astropy,StuartLittlefair/astropy,funbaker/astropy,stargaser/astropy,lpsinger/astropy,DougBurke/astropy,StuartLittlefair/astropy,MSeifert04/astropy,StuartLittlefair/astropy,bsipocz/astropy,mhvk/astropy,saimn/astropy,astropy/astropy,dhomeier/astropy,astropy/astropy,pllim/astropy,AustereCuriosity/astropy,saimn/astropy,larrybradley/astropy,bsipocz/astropy,saimn/astropy,stargaser/astropy,mhvk/astropy,aleksandr-bakanov/astropy,MSeifert04/astropy,stargaser/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,funbaker/astropy,lpsinger/astropy,DougBurke/astropy,pllim/astropy,pllim/astropy,StuartLittlefair/astropy,pllim/astropy,astropy/astropy,dhomeier/astropy,stargaser/astropy,saimn/astropy,funbaker/astropy,MSeifert04/astropy,bsipocz/astropy,astropy/astropy,larrybradley/astropy,mhvk/astropy,dhomeier/astropy