Use Redis#new instead of deprecated Redis#connect

According to commit: redis/redis-rb@7193c30 in redis gem
Redis.connect is deprecated.

examples/lib/redis_models.rb

@@ -3,7 +3,7 @@ require 'redis'
 class RedisWidget
 
   def self.redis
-    threaded ||= Redis.connect
+    threaded ||= Redis.new
   end
 
   def self.redis=(connection)
@@ -45,7 +45,7 @@ end
 class RedisWidgetUsingDatabaseOne < RedisWidget
 
   def self.redis
-    threaded[self.class.to_s] ||= Redis.connect :url => ENV['REDIS_URL_ONE']
+    threaded[self.class.to_s] ||= Redis.new :url => ENV['REDIS_URL_ONE']
   end
 
   def self.create!
@@ -56,7 +56,7 @@ end
 class RedisWidgetUsingDatabaseTwo < RedisWidget
 
   def self.redis
-    threaded[self.class.to_s] ||= Redis.connect :url => ENV['REDIS_URL_TWO']
+    threaded[self.class.to_s] ||= Redis.new :url => ENV['REDIS_URL_TWO']
   end
 
   def self.create!

lib/database_cleaner/redis/base.rb

@@ -22,7 +22,7 @@ module DatabaseCleaner
       private
 
       def connection
-        @connection ||= url == :default ? ::Redis.connect : ::Redis.connect(:url => url)
+        @connection ||= url == :default ? ::Redis.new : ::Redis.new(:url => url)
       end
 
     end

spec/database_cleaner/redis/truncation_spec.rb

@@ -9,7 +9,7 @@ module DatabaseCleaner
     describe Truncation do
       before(:all) do
         config = YAML::load(File.open("#{File.dirname(__FILE__)}/../../../examples/config/redis.yml"))
-      @redis = ::Redis.connect :url => config['test']['url']
+      @redis = ::Redis.new :url => config['test']['url']
       end
 
       before(:each) do