Move utils link into Nuts and bolts section
Move utils link into Nuts and bolts section

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