add a bit about *what* in travis.yml should be edited
add a bit about *what* in travis.yml should be edited

[docs only]

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