Merge pull request #1705 from albandiguer/tests_performance

Test performance: define a lower post max length

.gitignore

@@ -39,6 +39,7 @@ config/environments/production.rb
 /tmp
 /plugins
 /logfile
+log/
 
 /spec/fixtures/plugins/my_plugin/auto_generated
 

config/site_settings.yml

@@ -134,6 +134,8 @@ posting:
       default: 10
   max_post_length:
     client: true
+    default: 
+      test: 4000
       default: 32000
   min_topic_title_length:
     client: true