Updated testsuite for s390
Dropped / cleaned useless old testsuite
Cleanup in s390 helpers
Dropped useless code

LLADDR is set to default in SetDeviceVars already
Moved qeth_macaddress initialization into s390 helper
Set qeth_macaddress to default only if the device is layer2 aware
Added check if LLADDR can be written into ifcfg. bnc#898620
Added tests for lladdr check
Cleanup in LanItemsClass#Commit
Removed dead code
Updated changelog
Refactored: testsuite for s390
Updated doc
Updated s390 testsuite
Moved LLADDR into proper map with defaults
Merge pull request #257 from mchf/s390

Fixes for LLADDR="00:00:00:00:00:00"