clarify logo guidlines/info
clarify logo guidlines/info


Former-commit-id: 23f18cafa9487b61fa60eae70db7e559dfaa8067
benjohnson77/devopsdays-web,masteinhauser/devopsdays-web,joelaha/devopsdays-web,joelaha/devopsdays-web,masteinhauser/devopsdays-web,benjohnson77/devopsdays-web,joelaha/devopsdays-web,masteinhauser/devopsdays-web,joelaha/devopsdays-web,benjohnson77/devopsdays-web,masteinhauser/devopsdays-web,benjohnson77/devopsdays-web