Added a note to system packagers, where hopefully they can find it
Added a note to system packagers, where hopefully they can find it

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