Added Inflector.humanize to turn attribute names like employee_salary into...

Added Inflector.humanize to turn attribute names like employee_salary into "Employee salary". Used by automated error reporting in AR.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@450 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/lib/core_ext/string/inflections.rb

@@ -31,6 +31,10 @@ def tableize
         def classify
           Inflector.classify(self)
         end
+        
+        def humanize
+          Inflector.humanize(self)
+        end
 
         def foreign_key(separate_class_name_and_id_with_underscore = true)
           Inflector.foreign_key(self, separate_class_name_and_id_with_underscore)