Added note about ``meta`` changing in future
Added note about ``meta`` changing in future

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