[IZPACK-1018] - ConfigurationInstallerListener - installation fails with embedded DTDs in XML
[IZPACK-1020] - AntActionInstallerListener - add option to map log priority level to the native log levels of Ant
Merge pull request #148 from rkrell/IZPACK-1020

[IZPACK-1020] - AntActionInstallerListener - add option to map log priority level to the native log levels of Ant