commit 3d05f5b913703893795fe04338285444b8e7ebe1
Author: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date:   Sat Aug 26 17:28:50 2017 -0300

    Ready for release: v2.2
    
    Update ChangeLog, NEWS, README and configure.ac for the 2.2 release.
