Merge pull request #42 from kobliha/master

Extended checking for service in Service module by also checking in /etc/init.d as a fallback (bnc#795929 comment#20).
Merge pull request #43 from kobliha/master

Refactoring: firewall_package string
Service::GetUnitId and Service::GetServiceId utilities
Changed to use network.service alias link

Changed to use network.service alias installed by the NetworkManager
service file while "systemctl enable".
Obsoletes the use of the NETWORKMANAGER=yes/no sysconfig variable in
/etc/sysconfig/network/config (bnc#764055,bnc#764336,bnc#798348).
Updated changelog, version 2.23.20
Fixed to require sysconfig >= 0.80.0
added perl-XML-XPath dependency (needed by RegistrationStatus.pm)
updated changes, version 2.23.20
Merge pull request #46 from yast/dependency_fix

Added perl-XML-XPath dependency
added CommandLine::PrintTable, String::Repeat and String::SuperPad
- use SuperPad in Pad and PadZeros
- improved documentation
Merge pull request #49 from aschnell/master

added CommandLine::PrintTable
Merge remote-tracking branch 'mtomaschewski/bnc798348'

Conflicts:
	VERSION
	package/yast2.changes
Merge pull request #51 from mvidner/master

Changed to use network.service alias link instead of NETWORKMANAGER=yes/no
- applied lnussel's patch:
  Don't use Info function to check enable state (bnc#807507)
- 2.23.22
Merged Ludwig's change applied by Thomas broken by Martin's pull request ;)
Merge pull request #54 from kobliha/ludwigs-patch

Merged Ludwig's change applied by Thomas broken by Martin's pull request ;)
- testsuite adapted to previous change (new code in Enable call)
Merge pull request #55 from jsuchome/master

testsuite adapted to previous change (new code in Enable call)