Redmine #3912: use $(debian_knowledge.call_aptitude) in lib/3.[56]/packages.cf
Merge pull request #1217 from tzz/feature/3912-use-debian-knowledge-packages

Redmine #3912: use $(debian_knowledge.call_aptitude) in lib/3.[56]/packages.cf
fix for #3482 sys.flavor and sys.arch are empty
Merge pull request #1261 from McAtte/3.5.x

[3.5.x] fix for #3482 sys.flavor and sys.arch are empty