Anjay Lite 1.0.0-beta.2

Second release for Anjay Lite Beta.

BREAKING CHANGES

• Changed error codes defined in the anj_net_api.h to positive values. Returning any positive values from the
  user Network API implementation, other than ANJ_NET_E*, is prohibited.

Features

• CoAP Downloader module for large file transfers from CoAP servers, supporting FOTA Pull scenarios.
• Added support for Write-Composite operation.

Improvements

• Added anj/init.h header to make config includes and option dependency checks
  more consistent.
• Removed unnecessary usages of ANJ_CONTAINER_OF() in object implementation
  examples.
• Introduce Python tools for downloading object XMLs from OMA registry - tools/lwm2m_object_registry.py and generating
  object stubs - tools/anjay_codegen.py
• Implemented responses caching
• If no confirmable notification is sent for 24 hours, the next notification sent will be confirmable.
• The library now follows the include pattern recommendations from Include What You Use (IWYU) version 0.24
  compatible with clang 20.

Bugfixes

• Fixed improper handling of LwM2M Server responses in Separate Response mode.
• Updated default value in description of ANJ_COAP_MAX_OPTIONS_NUMBER option.
• Fixed an issue with calling the observation module API during message exchange handling.
• Corrected the timing for setting the last sent notification timestamp.
• Fixed an issue that allowed server both bootstrap and management to freely read
  the Security and OSCORE objects.