HPCC-9569 ConfigMgr - remove extra roxie info

- remove all RoxieSlaveProcess entries
- remove duplicate RoxieServerProcess entries
- add offset attribute
- add redundancy option (slaveConfig)
- rename tab PORTS
- Remove redundancy dialog
- could cleanup

Signed-off-by: Gleb Aronsky <gleb.aronsky@lexisnexis.com>