Add cenfunc, stdfunc, and axis keywords to sigma_clipped_stats
Add cenfunc, stdfunc, and axis keywords to sigma_clipped_stats

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