Corrected default roles parameter for Authorization.authorized_conditions  Added broken_link? and subj methods to Authorization model class.
Corrected default roles parameter for Authorization.authorized_conditions 
Added broken_link? and subj methods to Authorization model class.

git-svn-id: c3b4a417ebf20afd637fe84e951132e3c6e13180@33 aff2ea43-9cdb-4955-b5a5-e63d6d2749c7

cch1/authorize,cch1/authorize