update README for new repo layout
update README for new repo layout

ryan-talley/cf-bigip-ctlr,dramich/cf-bigip-ctlr,dramich/cf-bigip-ctlr,ryan-talley/cf-bigip-ctlr,dramich/cf-bigip-ctlr,ryan-talley/cf-bigip-ctlr,dramich/cf-bigip-ctlr,ryan-talley/cf-bigip-ctlr