Merge pull request #22 from nilxam/master

a workaround for make sure to send alt-a key
add Y2DEBUG=1 so yast logs are even more useful
show the drkonqi backtrace in more detail
add list of variables used in the tests
Merge pull request #24 from lnussel/variables

add list of variables used in the tests
Merge pull request #23 from os-autoinst/two_more_fixes

Two more fixes
let it fatal if yast2_lan test failed