removed obsolete entry points for 'request', 'supply', 'remove'

also removed related tests
configure client: removed unused code line
moved supply, request, remove under cli/
cli: simpler logging, always use self.app.log
node register: use logging
cli: moved register.py under cli/ and reindented
cli: moved the rest of cache.py under cli/, do not pass configp around
Release 1.0.0-rc1.