update matplotlib style and whitespace
update matplotlib style and whitespace

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