ac2 rework

projects/cadcAccessControl-Server/build.xml

...l-Server/src/ca/nrc/cadc/ac/server/ldap/LdapGroupDAO.java

...ol-Server/src/ca/nrc/cadc/ac/server/ldap/LdapUserDAO.java

.../src/ca/nrc/cadc/ac/server/web/groups/ACSearchRunner.java

...ca/nrc/cadc/ac/server/web/groups/AbstractGroupAction.java

...a/nrc/cadc/ac/server/web/groups/AddGroupMemberAction.java

...ca/nrc/cadc/ac/server/web/groups/AddUserMemberAction.java

...c/ca/nrc/cadc/ac/server/web/groups/CreateGroupAction.java

...c/ca/nrc/cadc/ac/server/web/groups/DeleteGroupAction.java

.../src/ca/nrc/cadc/ac/server/web/groups/GetGroupAction.java

...ca/nrc/cadc/ac/server/web/groups/GetGroupNamesAction.java

...er/src/ca/nrc/cadc/ac/server/web/groups/GroupServlet.java

...ca/nrc/cadc/ac/server/web/groups/GroupsActionFactory.java

...c/ca/nrc/cadc/ac/server/web/groups/ModifyGroupAction.java

...rc/cadc/ac/server/web/groups/RemoveGroupMemberAction.java

...nrc/cadc/ac/server/web/groups/RemoveUserMemberAction.java

...c/ca/nrc/cadc/ac/server/web/users/AbstractUserAction.java

...src/ca/nrc/cadc/ac/server/web/users/CreateUserAction.java

...src/ca/nrc/cadc/ac/server/web/users/DeleteUserAction.java

...er/src/ca/nrc/cadc/ac/server/web/users/GetUserAction.java