Client side caching (CSC) Support

[chayim]

This is the tracking issue for adding support for client side caching.

• #1374

• Support caching commands

  • #1375
  • #1376
  • #1377

• Create caching class and objects for CSC

  • #1378
  • #1391
  • #1390
  • #1389
  • #1388
  • #1387

• EventListener handling push notification processing

  • #1379
  • #1380
  • #1381
  • #1382

• #1383

• Testing

  • #1384
  • #1385
  • #1386