Extract options before creating connection

Calls extract_options! on the addresses arguments before passing the addresses to the ::Redis::Factory.  This fixes redis-store#166 so default cache options can now be passed without causing a DistributedStore to be created with both the intended server as well as a spurious localhost connection. 

redis-activesupport/lib/active_support/cache/redis_store.rb

@@ -24,8 +24,9 @@ class RedisStore < Store
       #   RedisStore.new "localhost:6379/0", "localhost:6380/0"
       #     # => instantiate a cluster
       def initialize(*addresses)
+        options = addresses.extract_options!
         @data = ::Redis::Factory.create(addresses)
-        super(addresses.extract_options!)
+        super(options)
       end
 
       def write(name, value, options = nil)