pulsar processing aio merge
Draf revision #152825; EddMasterController uses aiokatcp, added full unittesting for MC, removed vdif_packer.py and core/utils.py -> core/init.py; revised utils.testing module
Draf revision #152825; EddMasterController uses aiokatcp, added full unittesting for MC, removed vdif_packer.py and core/utils.py -> core/init.py; revised utils.testing module