Modify testcases for rhbz#1017702
Generate requires on runtime instead of jpackage-utils for SCL packages
todo: expand testcases for SCL multiple different namespaces
[doc] Improve mvn_package section, mention __noinstall
[doc] Add tip: we have man pages for mvn_ macros
[doc] Add few words about mvn_config
[doc] Add few words about mvn_artifact
[doc] Fix broken link