cherry pick rails3

Gemfile

@@ -1,2 +1,4 @@
+source "http://rubygems.org"
+
 gemspec
 

Rakefile

@@ -9,22 +9,5 @@ Rake::TestTask.new(:test) do |test|
   test.pattern = 'test/**/test_*.rb'
   test.verbose = true
 end
-
-require 'rcov/rcovtask'
-Rcov::RcovTask.new do |test|
-  test.libs << 'test'
-  test.pattern = 'test/**/test_*.rb'
-  test.verbose = true
-end
-
 task :default => :test
 
-require 'rake/rdoctask'
-Rake::RDocTask.new do |rdoc|
-  version = File.exist?('VERSION') ? File.read('VERSION') : ""
-
-  rdoc.rdoc_dir = 'rdoc'
-  rdoc.title = "elastic_searchable #{version}"
-  rdoc.rdoc_files.include('README*')
-  rdoc.rdoc_files.include('lib/**/*.rb')
-end

lib/elastic_searchable.rb

@@ -28,7 +28,10 @@ def logger=(logger)
     def logger
       @@logger
     end
-    #perform a request to the elasticsearch server
+    # perform a request to the elasticsearch server
+    # configuration:
+    # ElasticSearchable.base_uri 'host:port' controls where to send request to
+    # ElasticSearchable.debug_output outputs all http traffic to console
     def request(method, url, options = {})
       response = self.send(method, url, options)
       logger.debug "elasticsearch request: #{method} #{url} #{"took #{response['took']}ms" if response['took']}"