v0.19.0

Changed

• Based on experience gained during the Private Access phase, the
  Golioth Location service has been changed from a dedicated service
  to a Pipelines Transformer. The experimental firmware service has
  been removed and the Location examples have been updated to use
  Pipelines. A new net_info utility has been added to facilitate
  constructing payloads appropriate for use with the transformer.

Fixed:

• Fixed a NULL dereference that occurred when processing certain errors
  in CoAP blockwise operations.
• Fixed some internal log messages being to sent to Golioth even when
  turned off in Kconfig.
• Fixed unsigned-compare-against zero in certain error paths
• Fixed memory leak during blockwise transfers

Added

• The CoAP client can now receive blockwise responses to blockwise
  posts.
• Added an API for receiving OTA manifests blockwise, to support
  manifests larger than 1 kB.
• The SDK is now scanned by Coverity Static Analysis