[DC 2016] add Solidfire to sponsors
[DC 2016] add Solidfire to sponsors


Former-commit-id: 3ea42ee0300c0ca288ecf95eff26ec9edde128e5
joelaha/devopsdays-web,masteinhauser/devopsdays-web,joelaha/devopsdays-web,benjohnson77/devopsdays-web,joelaha/devopsdays-web,masteinhauser/devopsdays-web,benjohnson77/devopsdays-web,masteinhauser/devopsdays-web,masteinhauser/devopsdays-web,joelaha/devopsdays-web,benjohnson77/devopsdays-web,benjohnson77/devopsdays-web