Modify discussion of pre-release procedure so that documentation is suited to affiliated packages rather than the astropy core
Modify discussion of pre-release procedure so that documentation is suited to affiliated packages rather than the astropy core

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