Fix error: IIOTCLT-2769 - mbed-coap: extra response received after registration
Added own flag to enable blockwise support, without setting default blockwise
payload size. This allows to receive blockwise messages while still sending
without blockwise.
Fix CoAP request blockwise response handling
When request is sent, response can have blockwise option set. All requests must
be stored to the linked list.
Fixes error: IOTCLT-2506 [GitHub] Cannot set registration time if server does not use max age option
Improvements; Extend blockwise message transfer status to have states for sending as well.
NOTE! These are internal changes required for cloud client. This has no direct relevance to any mbed-os functionality.
Nanostack related files moved under 'feature/nanostack'
Common libraries moved to 'features/frameworks'
Allow FEATURE_COMMON_PAL still to be defined in the build so
that we don't break any builds.