fix race condition & possible momery leak from dependency

Readme (#126)

standardized README format
moved examples to sample folder README

X509 support and sample

• Adds support for the x509 credentials provider
• Adds command line options for x509 credentials sourcing to the pub sub sample

New auth api and restore tls version controls

• Updates crt dependency to the latest auth signing API
• Restores tls version control that was accidentally reverted

Named Shadow release

NamedShadow import (#123)

* NamedShadow import

* clang-format

Updating C++ CRT submodule

v1.6.2

Updating aws-crt-cpp to v0.8.4 (#120)

Windows compile warnings fix

Fixed windows compile warning, added windows+VS14 CI (#121)

* Updated builder version, added windows+vc14 CI

* Import of latest generated SDK

* clang-format on identity sample

* clang-format needs to check cpp files

Fleet Provisioning API

Fleet provisioning (#113)

* Fleet provisioning

Co-authored-by: Justin Boswell <boswej@amazon.com>

Update Jobs API with missing parameter

• Add missing parameter to UpdateJobExecution

Misc bug fixes, crt updates, improved auth creds provider implementations

v1.5.4

Updated to latest crt version, updated discovery client to use activa…

Update for aws-crt-cpp dependency, enumeration serialization fix, and doc fix

v1.5.3

Updating aws-crt-cpp dependency (#98)