Update release script with new gpg config (#202)

* update using new gpg version

* add more comments

* update descriptions and comments

Migrate to maven central (#201)

* update to use maven central

* use ubuntu-latest for ci

* use [email protected]

* use role to assume instead

* add id-token permission

* use crt resource for testing

* hardcode endpoint value to test CI

* test with aws credentials set in env

* revert endpoint path and secrets

* test with CRT CI role

* use CRT credential, hardcoded

* hard coded to not use websocket

* revert test properties

* DEBUG: print system property

* DEBUG: more logs

* update websocket test properties

* setup environment variable for websocket test

* use default thing name

* revert to use SDK CI role

* clean up comments

* cleanup test changes

* clean up

* cleanup

Escaped password (#198)

* deal with escape characters in password

use token credentials (#197)

Update Paho to latest version (#186)

Updates Paho to version 1.2.4 and adds documentation on the maximum in-flight message issue.

Merge pull request #183 from aws/pipeline

Continuous Delivery:
Added scripts for Continuous Delivery and provide version stamping,
Used a higher version of nexus-staging-maven-plugin to fix release issue

Merge pull request #166 from aws/Version1_3_9

Empty version bump to allow for reimport

Credentials provider support

 version 1.3.7

 version 1.3.6