v2.2.0.RELEASE

Change log:

0ae25ea Upgrade dependencies; prepare for release
9185cd1 Update messageDeletionPolicy section in README.md
aefb5c2 GH-142: Configure workerId in KCL adapter
f635861 (navfi/master, polish-urls-apache-license-master) URL Cleanup
562b20b Fix link for GH PullRequest help
d38fd18 URL Cleanup
5d27d7e (polish-urls-xml-master) URL Cleanup
5171418 Upgrade to SI-5.1.4
f1b3d65 Rename XSD to 2.2; Fix HTTPS for Checkstyle
79ccf55 (feat/CheckpointModes) GH-108: Handle all CheckpointMode in KclMDrChAd
b1cad7e Add CredentialsProvider for KCP Channel Adapter
dd9f3a7 Downgrade to KCL 1.9.3
1b67137 URL Cleanup