bump up version number for OpenSRF 2.2.2

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
update release notes for OpenSRF 2.2.2

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
update change log for OpenSRF 2.2.2

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