[MODEL] Added, that options are passed to SearchRequest in search

Closes elastic#3

Author: jarib

elasticsearch-model/lib/elasticsearch/model/searching.rb

@@ -95,7 +95,7 @@ module ClassMethods
         #     Article.search '{"query" : { "match_all" : {} }}'
         #
         def search(query_or_payload, options={})
-          search   = SearchRequest.new(self, query_or_payload, options={})
+          search   = SearchRequest.new(self, query_or_payload, options)
 
           Response::Response.new(self, search)
         end

elasticsearch-model/test/unit/searching_test.rb

@@ -23,10 +23,11 @@ def self.document_type; 'bar'; end
         .expects(:new).with do |klass, query, options|
           assert_equal DummySearchingModel, klass
           assert_equal 'foo', query
+          assert_equal({default_operator: 'AND'}, options)
         end
         .returns( stub('search') )
 
-      DummySearchingModel.search 'foo'
+      DummySearchingModel.search 'foo', default_operator: 'AND'
     end
 
     should "not execute the search" do