include Kaminari::ConfigurationMethods in our SolrResponse::PaginationMethods

Fixes #614

Author: cbeer

lib/blacklight/solr_response/pagination_methods.rb

@@ -1,6 +1,7 @@
 module Blacklight::SolrResponse::PaginationMethods
 
   include Kaminari::PageScopeMethods
+  include Kaminari::ConfigurationMethods::ClassMethods
 
   def limit_value #:nodoc:
     rows

spec/lib/blacklight_solr_response_spec.rb

@@ -63,6 +63,9 @@ def create_response
     expect(r.total_count).to eq(r.total)
     expect(r.next_page).to eq(r.current_page + 1)
     expect(r.prev_page).to eq(nil)
+    if Kaminari.config.respond_to? :max_pages
+      expect(r.max_pages).to be_nil
+    end
     expect(r).to be_a_kind_of Kaminari::PageScopeMethods
   end