Removing verify_connection config

- This was a old hack and isn't necessary anymore.

README.mkdn

@@ -122,14 +122,6 @@ If you want to send a specified action, or all actions from a controller, to a s
  To see the complete list of features and syntax, please check out our <a href="http://wiki.github.com/tchandy/octopus/"> Wiki</a>
 Want to see sample rails applications using octopus features? please check it out: <a href="http://github.com/tchandy/octopus_sharding_example">Sharding Example</a> and <a href="http://github.com/tchandy/octopus_replication_example">Replication Example</a>. Also, we have an example that shows how to use Octopus without Rails: <a href="http://github.com/tchandy/octopus_sinatra"> Octopus + Sinatra Example</a>.
 
-
-## Important!
-Occasionally, an application might lose a connection to a database; when this happens, ActiveRecord will raise an exception. Add the following line to your application configuration if you are experiencing this issue:
-
-    verify_connection: true
-
-This will tell Octopus to verify the connection before sending the query.
-
 ## Mixing Octopus with the Rails multiple database model
 If you want to set a custom connection to a specific model, use the syntax `octopus_establish_connection` syntax:
 

lib/octopus/proxy.rb

@@ -15,12 +15,6 @@ def initialize_shards(config)
     @shards[:master] = ActiveRecord::Base.connection_pool_without_octopus()
     @config = ActiveRecord::Base.connection_pool_without_octopus.connection.instance_variable_get(:@config)
 
-    if !config.nil? && config.has_key?("verify_connection")
-      @verify_connection = config["verify_connection"]
-    else
-      @verify_connection = false
-    end
-
     if !config.nil?
       @entire_sharded = config['entire_sharded']
       shards_config = config[Octopus.rails_env()]
@@ -150,7 +144,6 @@ def safe_connection(connection_pool)
   end
 
   def select_connection
-    @shards[shard_name].verify_active_connections! if @verify_connection
     safe_connection(@shards[shard_name])
   end
 

spec/config/shards.yml

@@ -102,7 +102,6 @@ production_fully_replicated:
 
 octopus_rails:
   replicated: true
-  verify_connection: true
   environments:
     - staging
     - production

spec/octopus/proxy_spec.rb

@@ -26,10 +26,6 @@
       proxy.instance_variable_get(:@replicated).should be_false
     end
 
-    it "should not verify connections for default" do
-      proxy.instance_variable_get(:@verify_connection).should be_false
-    end
-
     it "should work with thiking sphinx" do
       config = proxy.instance_variable_get(:@config)
       config[:adapter].should == "mysql2"
@@ -140,7 +136,6 @@
       Octopus.config()
 
       proxy.instance_variable_get(:@replicated).should be_true
-      proxy.instance_variable_get(:@verify_connection).should be_true
       Octopus.environments.should == ["staging", "production"]
     end