DELTASPIKE-312 add JavaDoc warning for @Alternative scenarios
DELTASPIKE-312 remove GlobalAlternatives handling for OWB and fix tests
upgrade owb.version to 1.1.7 which is the latest released version
DELTASPIKE-312 introduce openejb.owb.version

This allows to fix the OWB version used for the cdictrl-openejb build using
-Dopenejb.owb.version=1.1.7