Upgrading aws-c-cal to v0.5.2

Upgrading aws-c-cal to v0.5.2 which includes aws-lc.cmake skipping libssl, building only libcrypto.

Protocol Operation Timeout Added

• Take protocol_operation_timeout_ms as part of the mqtt connection configuration. Milliseconds to wait for the response to the operation requires response by protocol.
• Support comments in pem file from aws-c-io updates

Updating aws-lc submodule

Updating aws-lc submodule to pick up changes to consume less resources when building.

Integrated AWS-LC, Updated Submodules, Removed awsiot_mqtt_connection_builder

• aws-lc is now a submodule and s2n submodule has been updated.
• API Change: Removed awsiot_mqtt_connection_builder.
• Updating aws-c-* submodules:
  • Updates to aws-c-cal:
    • Integrated AWS LC as crypto implementation on UNIX platforms.
  • Updates to aws-c-common:
    • Corrected/improved musl support with respect to thread affinity control.
    • Updated managed thread join to return success/failure, allowing downstream callers (CRTs) to branch shutdown logic between strict and permissive.
    • Fixed shared libs.
  • Updates to aws-c-io:
    • Added support for BYO_CRYPTO.
    • Updated builder version of s2n to latest release.
  • Updates to aws-c-s3
    • Additional logging and removing toggle for client stats logging.
    • Fixed two race conditions inside of the client clean-up code.
    • Fixed a bug where the S3 Client could stop processing new work.
    • Adding user-agent information about the S3 Client to request headers.

EventStreamRPC connect ack bug fix

• EventStreamRPC connect ack bugfix. (#243)
• Documentation update (#242)

New managed thread API

• New managed thread API
• Declare license in setup.py for the benefit ofpip show

MQTT on-message callback has more info

• MQTT on-message callback now has qos, retain, and dup of args. This is a backwards-compatible change.

Updated libcrypto to get EVP_CipherUpdate overflow fix

v0.10.5

update the str of excpetion to make it more clear out side of CRT env…

S3 follow up

• Several fixes from aws-c-s3
• Clean up the binding

Submodule fixes

• Address instability due to numa dynamic loading on certain platforms
• Improved arm cpu feature detection