Adds a subclass of ActionDispatch::IntegrationTest for API tests.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11253 e93f8b46-1217-0410-a6f0-8f06a7374b81
Adds missing copyright.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11254 e93f8b46-1217-0410-a6f0-8f06a7374b81
ActionController::IntegrationTest is ActionDispatch::IntegrationTest.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11255 e93f8b46-1217-0410-a6f0-8f06a7374b81
Removed unused shoulda macros.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11256 e93f8b46-1217-0410-a6f0-8f06a7374b81
Removed default comments.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11257 e93f8b46-1217-0410-a6f0-8f06a7374b81