First part of Service changes done
- better check if chef-client is running (bnc#868483)
Merge pull request #192 from jsuchome/master

- better check if chef-client is running (bnc#868483)
added Popup.Feedback

for displaying progress popup when running a block of code

- 3.1.26
Merge pull request #194 from yast/popup_feedback

added Popup.Feedback
Refactored SuSEFirewallServices

- Mostly to throw an exception if required service is not found, till now
  it used to be just logged and thus was hard to find out what was wrong
- bnc#867377
Added testcase for SuSEfirewallService
Using the new exception SuSEFirewalServiceNotFound in CWMFirewallInterfaces
Finish the changes, tests for Service missing still
Make use of find

Make Find shorter
Changes required by pull-request reviewers
Adapted testsuite

- It did not test anything and it's impossible to check
  the exception in old-fashioned Yast code
Changes file entry and a new version
Merge pull request #195 from kobliha/firewall_throws_exception

Refactoring SuSEFirewallService - Firewall throws exception
Set private writer for #error
Merge pull request #196 from vmoravec/service-replace-internals

Refactoring/deprecating of Yast::Service