diffChangeLog for DB2 injects invalid characters in xml
Description
When executing diffChangeLog against two DB2 instances, the following is injected in the XML file at the top:
Liquibase Home is not set.
Liquibase Home: /home/ubuntu/liquibase-3.0.6
This is not valid XML and should not be there. It's not in the Oracle version of diffChangeLog
Environment
SUSE Linux running DB2
