Project identifier is now used in URLs (instead of project id).

URLs with a project id will still be recognized.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1007 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/projects.yml

@@ -41,5 +41,5 @@ projects_004:
   description: eCookbook Subproject 2
   homepage: ""
   is_public: true
-  identifier: subproject1
+  identifier: subproject2
   parent_id: 1