REST API for issue categories (#9553).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7882 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/issue_category.rb

@@ -23,6 +23,8 @@ class IssueCategory < ActiveRecord::Base
   validates_presence_of :name
   validates_uniqueness_of :name, :scope => [:project_id]
   validates_length_of :name, :maximum => 30
+  
+  attr_protected :project_id
 
   named_scope :named, lambda {|arg| { :conditions => ["LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip]}}