Use control.xml to set DNS.dhcp_hostname (bnc#870896)

In order to completely close the bug, changes in control.xml for both SLED and
SLES are needed.
Changelog and version updates
Fixed initialization of LLADDR. HWAddr replaced by OSAHWAddr. bnc#889287

From linuxrc's help: Manual MAC address setting for Layer 2-enabled OSA
devices. Note that this is distinct from HWAddr, which contains the
default MAC address as detected by linuxrc.
Fixed testsuite
Updated changelog
Merge pull request #262 from mchf/SLE-12-GA

Ported last fixes into SLE-12 branch
Import: initialize devices
packaging
Added help text about NetworkManager on SLES (bnc#892678)
Changelog and version updates
added testcase
Merge pull request #264 from ancorgs/network_manager_help

Improved help text in "global options" (bnc#892678)
merged with origin/SLE-12-GA
increased version number
taking UTC
Fixed an expectation that was disabled by a bug.

This will not expect:
  expect(...) if the_wrong_hash.has_key? :foo
A better test for bnc#900352.

test that the config files get written.
it correctly fails if the fix is removed :)
Do not set default_route to "no", just remove the entry completely
Changes and version

Conflicts:
	package/yast2-network.changes
	package/yast2-network.spec
Adapted test-case