Rename client to scanner

docs/source/config.ini

docs/source/faq.rst

docs/source/sbws.core.rst

docs/source/specification.rst

sbws/config.default.ini

sbws/config.example.ini

sbws/core/generate.py

sbws/core/pwgen.py

sbws/core/scanner.py

sbws/core/server.py

sbws/globals.py

sbws/lib/relayprioritizer.py

sbws/lib/resultdump.py

sbws/sbws.py

sbws/util/config.py

sbws/util/parser.py

sbws/util/simpleauth.py

tests/conftest.py

tests/core/test_stats.py

tests/lib/test_results.py