Improved error message for outdated OpenSSL clients.
Improved error message for outdated OpenSSL clients.

OTS review by @larkost

jmptrader/rethinkdb,robertjpayne/rethinkdb,jmptrader/rethinkdb,grandquista/rethinkdb,mbroadst/rethinkdb,mbroadst/rethinkdb,JackieXie168/rethinkdb,jmptrader/rethinkdb,robertjpayne/rethinkdb,grandquista/rethinkdb,grandquista/rethinkdb,robertjpayne/rethinkdb,mbroadst/rethinkdb,mbroadst/rethinkdb,bpradipt/rethinkdb,mbroadst/rethinkdb,JackieXie168/rethinkdb,mbroadst/rethinkdb,robertjpayne/rethinkdb,bpradipt/rethinkdb,mbroadst/rethinkdb,bpradipt/rethinkdb,bpradipt/rethinkdb,robertjpayne/rethinkdb,robertjpayne/rethinkdb,JackieXie168/rethinkdb,grandquista/rethinkdb,mbroadst/rethinkdb,JackieXie168/rethinkdb,bpradipt/rethinkdb,JackieXie168/rethinkdb,JackieXie168/rethinkdb,jmptrader/rethinkdb,grandquista/rethinkdb,robertjpayne/rethinkdb,bpradipt/rethinkdb,bpradipt/rethinkdb,grandquista/rethinkdb,mbroadst/rethinkdb,bpradipt/rethinkdb,jmptrader/rethinkdb,jmptrader/rethinkdb,robertjpayne/rethinkdb,JackieXie168/rethinkdb,grandquista/rethinkdb,jmptrader/rethinkdb,bpradipt/rethinkdb,grandquista/rethinkdb,JackieXie168/rethinkdb,jmptrader/rethinkdb,robertjpayne/rethinkdb,JackieXie168/rethinkdb,grandquista/rethinkdb