ac2 - Refactored action classes in cadcAccessControl-Server

projects/cadcAccessControl-Server/build.xml

...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/GroupLogInfo.java

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

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

...r/src/ca/nrc/cadc/ac/server/web/groups/GroupsServlet.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

...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

...r/src/ca/nrc/cadc/ac/server/web/users/GetUsersAction.java

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

...rver/src/ca/nrc/cadc/ac/server/web/users/UsersAction.java