Merge pull request #58 from mchf/Code-11-SP2

Reset nscd cache when /etc/hosts is updated.
Merge pull request #60 from mchf/Code-11-SP2

Fixed testsuite to reflect changes in YaPI
Fixed indentation.
Refactoring fix for bnc#476490
Fixed indentation, removed dead code and useless comments
Merge pull request #62 from mchf/Code-11-SP2

I know that the patch is terrible. It was done this way for several reasons. Except the reason mentioned above, it was due to ENOTIME when doing fixes for WebYaST 1.3 release. I'm going to merge the patch because the code is submitted in IBS already.
Straightened dialog sequence for s390 Add/Eddit actions on interfaces

It also reimplements fix for bnc#476490.
Select reasonable defaults for s390 device variables. See bnc#747844
Replaced usage of LanItems::current by getter at couple places.
Updated changelog.
s390: renamed helpers, added constraints into helpers, small refactoring
Merge pull request #63 from mchf/bnc747844

Two related fixes for s390 Add / Edit device actions.