s1651 implemented search

projects/cadcAccessControl-Server/build.xml

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

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

...rol-Server/src/ca/nrc/cadc/ac/server/UserPersistence.java

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

.../src/ca/nrc/cadc/ac/server/ldap/LdapGroupPersistence.java

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

...r/src/ca/nrc/cadc/ac/server/ldap/LdapUserPersistence.java

...-Server/src/ca/nrc/cadc/ac/server/web/ACSearchRunner.java

...test/src/ca/nrc/cadc/ac/server/ldap/LdapGroupDAOTest.java

.../test/src/ca/nrc/cadc/ac/server/ldap/LdapUserDAOTest.java

projects/cadcAccessControl/src/ca/nrc/cadc/ac/AC.java

.../cadcAccessControl/src/ca/nrc/cadc/ac/ActivatedGroup.java

...ts/cadcAccessControl/src/ca/nrc/cadc/ac/GroupsWriter.java