updates comment describing user#getAll
updates comment describing user#getAll

ludovicderochethales/node-github,cbargren/github-xhr,jamestalmage/node-github,onesfreedom/node-github,reviewninja/node-github,tempbottle/node-github,Phanatic/node-github,blamattina/node-github,kaizensoze/github4,dfarr/node-github,kaizensoze/node-github,Gerhut/node-github,kstarsinic/node-github,eistrati/node-github,trektech/test1,AkashSC/MyRepoDOMO