git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1069 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

Automatically extend the class which gets a module included with the ClassMethods module if it exists #970 [Lucas Carlson]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1068 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

Added :counter_cache option to acts_as_tree that works just like the one you can define on belongs_to #371 [Josh]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@291 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@191 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

Renamed Mixins to Acts to resemble the change from include ActiveRecord::Mixins::List to acts_as_list and renamed @@default_error_messagess to @@default_error_messages

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@190 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

Added that Active Records will automatically record creation and/or update timestamps of database objects if fields of the names created_at/created_on or updated_at/updated_on are present. [Tobias Luetke] Added acts_as_tree that can decorates an existing class with a many to many relationship with itself. Added acts_as_list that can decorates an existing class with methods like move_higher/lower, move_to_top/bottom.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@176 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@156 5ecf4fe2-1ee6-0310-87b1-e25e094e27de