Ignore some temporary and auto-generated files
Comment improvement

s|%{datadir}/java-utils|%{_javadir}-utils|
maven_depmap: add extension for pom only fragments
Update maven_depmap test_cdata because of test API change
maven_depmap.py: get rid of version duplicates
Add tests for -r option (maven_depmap.py)
maven_depmap.py: sort the lists of versions
Fix tests for maven_depmap.py