[COOK-2527] update README for recent changes
[COOK-2527] update README for recent changes

juliandunn/jenkins,mknapik/jenkins,bhalothia/jenkins,epu/epu-cb-jenkins,Tiger66639/jenkins,juliandunn/jenkins,gshively11/jenkins,Da-Wei/jenkins,mlongob/jenkins,chef-cookbooks/jenkins,developerinlondon/jenkins,autoclone/jenkins-cookbook,thrucker/jenkins,rexut/opscode-cookbooks-jenkins,epu/epu-cb-jenkins,ebsco/jenkins,StephenKing/chef-cookbook-jenkins,RobertNorthard/jenkins,Dispader/jenkins,cru-Luis-Rodriguez/jenkins,dekokun/jenkins,alex-slynko-wonga/jenkins,mknapik/jenkins,juliandunn/jenkins,gshively11/jenkins,mlongob/jenkins,opscode-cookbooks/jenkins,samdunne/jenkins,autoclone/iptables,ebsco/jenkins,rapid7-cookbooks/jenkins,rchekaluk/jenkins,ryandub/jenkins,autoclone/iptables,developerinlondon/jenkins,rchekaluk/jenkins,rexut/opscode-cookbooks-jenkins,jcuzens/jenkins,martinb3-cookbooks/jenkins,dshvedchenko/jenkins,rexut/opscode-cookbooks-jenkins,cru-Luis-Rodriguez/jenkins,dshvedchenko/jenkins,Dispader/jenkins,opscode-cookbooks/jenkins,RobertNorthard/jenkins,dshvedchenko/jenkins,autoclone/jenkins,ebsco/jenkins,jaredrussell/jenkins,autoclone/jenkins-cookbook,autoclone/jenkins-cookbook,DanielRedOak/jenkins,mknapik/jenkins,Sauraus/jenkins,b-dean/jenkins,Tiger66639/jenkins,daften/cookbook-jenkins,Tiger66639/jenkins,eklein/jenkins,ttab/jenkins,wanelo-chef/jenkins,erikthorselius/jenkins,streeter/jenkins,umar85/jenkins,hirocaster/jenkins-1,mdlavin/jenkins,autoclone/jenkins,cru-Luis-Rodriguez/jenkins,StephenKing/chef-cookbook-jenkins,opscode-cookbooks/jenkins,mattjalexander/jenkins,Sauraus/jenkins,umar85/jenkins,StephenKing/chef-cookbook-jenkins,developerinlondon/jenkins,samdunne/jenkins,b-dean/jenkins,j-c-h-e-n-g/jenkins,autoclone/iptables,epu/epu-cb-jenkins,bhalothia/jenkins,gshively11/jenkins,crittercism/jenkins,rchekaluk/jenkins,rberger/jenkins,daften/cookbook-jenkins,chef-cookbooks/jenkins,SinisterLight/jenkins,martinb3-cookbooks/jenkins,Sauraus/jenkins,team-lab/chef-jenkins,rapid7-cookbooks/jenkins,asmarre/jenkins,rapid7-cookbooks/jenkins,DataDog/jenkins,RobertNorthard/jenkins,priestjim/jenkins,smedefind/jenkins,autoclone/jenkins,j-c-h-e-n-g/jenkins,daften/cookbook-jenkins,rafaelmagu/jenkins,samdunne/jenkins,umar85/jenkins,blt04/chef-jenkins,Piousbox-cookbooks/jenkins,locke105/jenkins,jhsubscribe/chef-jenkins,martinb3-cookbooks/jenkins,j-c-h-e-n-g/jenkins,mlongob/jenkins,rkolless/jenkins,Piousbox-cookbooks/jenkins,bhalothia/jenkins,b-dean/jenkins,Piousbox-cookbooks/jenkins,isbaran/jenkins,chef-cookbooks/jenkins,Dispader/jenkins