CORE-1959 generateChangeLog without changeLogFile - better error message

warn and exit if command is generateChangeLog but no changeLogFile is supplied
(cherry picked from commit ddd095b)
3.2.2 release notes
[maven-release-plugin] prepare release liquibase-parent-3.2.2
[maven-release-plugin] prepare for next development iteration
CORE-1938 defaultValueNumeric="0" or defaultValue="0" is translated to 0.0

Fixed test
Merge branch '3.2.x'

Conflicts:
	liquibase-cdi/pom.xml
	liquibase-core/pom.xml
	liquibase-debian/pom.xml
	liquibase-integration-tests/pom.xml
	liquibase-maven-plugin/pom.xml
	liquibase-osgi/pom.xml
	pom.xml