Return mastercount in cluster lookup responses
Return mastercount in cluster lookup responses

Rather than assume master count is 1, look at the repl
controllers and return a value.

radanalyticsio/oshinko-cli,crobby/oshinko-cli,tmckayus/oshinko-cli,tmckayus/oshinko-cli,tmckayus/oshinko-cli,crobby/oshinko-cli,radanalyticsio/oshinko-cli,crobby/oshinko-cli,radanalyticsio/oshinko-cli