ChangeLog for 2.2.0-alpha

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
bump up version numbers for 2.2.0-alpha release

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
release notes for 2.2.0-alpha

Signed-off-by: Galen Charlton <gmc@esilibrary.com>