Fix bugs with CoordinateTransform
Fix bugs with CoordinateTransform

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