-Modify AclStore so that you can't add duplicate items 
-Modified AclStore so that cursor is still valid after an add or remove operation 

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/b-uasprack-20130904@10668 ddefafc4-47db-0310-ae44-fa13212b10f2
-enabled over 60 tfm repro tests that required authentication to be disabled to run properly 
-added code to disable and enable DigestAuthentication for those tests requiring it


git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/b-uasprack-20130904@10669 ddefafc4-47db-0310-ae44-fa13212b10f2