add some helper methods to handle deprecation

lib/swiftype.rb

@@ -2,5 +2,11 @@
 
 module Swiftype
   extend Swiftype::Configuration
+
+  def self.const_missing(const_name)
+    super unless const_name == :Easy
+    warn "`Swiftype::Easy` has been deprecated. Use `Swiftype::Client` instead."
+    Client
+  end
 end
 

lib/swiftype/client.rb

@@ -7,6 +7,11 @@ module Swiftype
   class Client
     include Swiftype::Request
 
+    def self.configure(&block)
+      warn "`Swiftype::Easy.configure` has been deprecated. Use `Swiftype.configure` instead."
+      Swiftype.configure &block
+    end
+
     # Create a new Swiftype::Client client
     #
     # @param options [Hash] a hash of configuration options that will overrided what is set on the Swiftype class.

spec/deprecated_spec.rb

@@ -0,0 +1,20 @@
+require 'spec_helper'
+
+describe 'deprecated classes and methods' do
+  context 'Swiftype::Easy' do
+    it 'returns Swiftype::Client' do
+      Swiftype::Easy.should == Swiftype::Client
+    end
+  end
+
+  context 'Swiftype::Easy.configure' do
+    it 'calls warn and calls Swiftype.configure' do
+      Swiftype::Client.should_receive(:warn)
+      Swiftype::Easy.configure do |config|
+        config.api_key = 'got set'
+      end
+
+      Swiftype.api_key.should == 'got set'
+    end
+  end
+end