make print_result a static method of SpacewalkShell

The method is also used outside of SpacewalkShell class
(by spacecmd executable for example).
correctly retrieve user name for logging purposes
perl-Net-INET6Glue is already in EPEL7
updated deps on RHEL7
Automatic commit of package [spacewalk-search] release [2.2.5-1].
updated deps on RHEL7
Automatic commit of package [simple-xml] minor release [2.6.7-3].
Automatic commit of package [spacewalk-java] release [2.2.101-1].
1083519 - make spacecmd funtion correctly in multi-nevra environments
Automatic commit of package [spacecmd] release [2.2.10-1].
1109276 - Correctly set cobbler arch
1112633 - Prevent CobblerSync from failing from removed ks trees
Automatic commit of package [spacewalk-java] release [2.2.102-1].
1109276 - checkstyle fix
Automatic commit of package [spacewalk-java] release [2.2.103-1].
fixed apache vs. jakarta  -commons-{codec,lang} conflict
Automatic commit of package [spacewalk-search] release [2.2.6-1].
Automatic commit of package [spacewalk-java] release [2.2.104-1].
fixed deps on RHEL7
Automatic commit of package [susestudio-java-client] minor release [0.1.4-3].