Instiki 0.16.5

Update to Rails 2.3.2 (the stable Rails 2.3 release).
Add audio/speex support
Update CHANGELOG
Bump version number

vendor/rails/railties/lib/initializer.rb

@@ -301,7 +301,9 @@ module Rails
     end
 
     def load_gems
-      @configuration.gems.each { |gem| gem.load }
+      unless $gems_build_rake_task
+        @configuration.gems.each { |gem| gem.load }
+      end
     end
 
     def check_gem_dependencies