Do not read the services from system by default in AutoYast

- bnc#887694
- Takes too long and confuses users anyway
- Showing just info that it hasn't been configured yet
- Cloning or entering the module makes it read the services
  and also ready for export
Adapted test-case
Changes and new version
Merge pull request #82 from kobliha/fix-clone-and-export-functionality

Do not read the services from system by default in AutoYast
Do not `switch!` services that are already in desired state

- switching would put them into undesired state
- and could also kill Yast (bnc#884756)
Changes file entry and a new version
Merge pull request #83 from kobliha/fix-restarting-yast-services

Do not stop/start service that is already stopped/started
Clear errors list if user decides to continue

 * Implemented by delegating ServiceManager.errors to ServiceManagerService
Fix last changelog entry by including the bnc
Some tests polishing
Merge pull request #81 from ancorgs/clean_error_messages

Clear errors list if user decides to continue
do not set runlevel while autoinstallation
packaging
adapt docu
Merge pull request #84 from yast/review_140728_default_target

[Review] Request from 'schubi2' @ 'yast/yast-services-manager/review_140728_default_target'
Added new translations for targets

- bnc#892366
Using localized targets (max. length) to adjust UI

- Too long translations made a selected target unreadable
Changes and a new version
Changes suggested in review
Merge pull request #86 from kobliha/targets-translations

Translating targets