[LIB-246] Generic Configuration Reader set Boolean field without configuration value to Boolean.FALSE instead null
...
arr.. and copyright
Merge remote-tracking branch 'origin/master' into configframework

Conflicts:
	dcm4che-conf/dcm4che-conf-api/src/main/java/org/dcm4che3/conf/api/generic/ReflectiveConfig.java
	dcm4che-conf/dcm4che-conf-api/src/main/java/org/dcm4che3/conf/api/generic/adapters/DefaultConfigTypeAdapters.java
......
refactored with class