add documentation of from_name to main coordinates doc page
add documentation of from_name to main coordinates doc page

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