Implement un-ticketed methods in the HttpManagementProxy

[Miles-Garnsey]

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When ticketing this work we originally missed a number of methods which need to be implemented in Reaper. This was because we based those tickets on the management API ones but some methods were already present in management API and didn't need to be re-implemented.

Definition of done

The required methods are as follows:

• Implement getTokens() in the HttpManagementProxy #1377
• Implement getRangeToEndpointMap(String keyspace) in the HttpManagementProxy #1378
• Implement getLocalEndpoint() in the HttpManagementProxy #1379
• Implement getEndpointToHostId() in the HttpManagementProxy #1380
• Implement getPartitioner() in the HttpManagementProxy #1381
• Implement getPendingCompactions() in the HttpManagementProxy #1382
• Remove isRepairRunning() from the HttpManagementProxy, ICassandraManagementProxy #1383
• Implement listTablesByKeyspace() in the HttpManagementProxy #1384
• Implement close() in the HttpManagementProxy #1385
• Remove takeColumnFamilySnapshot(String var1, String var2, String var3) from HttpManagementProxy, JmxCassandraManagementProxy, ICassandraManagementProxy #1386
• Implement getTokenToEndpointMap() in the HttpManagementProxy #1387
• Implement getAllEndpointStates() in the HttpManagementProxy #1388
• Implement getSimpleStates() in the HttpManagementProxy #1389
• Implement getDatacenter(String var1) in the HttpManagementProxy #1390
• Implement getCurrentStreams() in the HttpManagementProxy #1391
• Implement getUntranslatedHost() in the HttpManagementProxy #1392

[adejanovski]

Closing this ticket as I've added all the subtask to the existing epic (#1326) .