fixed scalr read bug and restructured project files/folder

CDB/LOFAR_ConfigDb.json

CDB/device_ConfigDb.json

CDB/test_ConfigDb.json

PCC/LICENSE.txt

PCC/MANIFEST.in

PCC/NOTICE

PCC/PCC/README.md

PCC/PCC/__init__.py

PCC/PCC/__main__.py

PCC/PCC/attribute_wrapper.py

PCC/PCC/clients/opcua_connection.py

PCC/PCC/example/README.md

PCC/PCC/example_device.py

PCC/PCC/release.py

PCC/README.rst

PCC/requirements.txt

PCC/setup.py

PCC/test/PCC_test.py

PCC/test/__init__.py

PCC/test/test-PCC.py