Removed obsolete and currently unused proposals

The code using this was deleted in commits 5a2a8db and cf6260a
Fixed proposal when virtual machine pattern is selected. bnc#884517
Cleanup - dropped unneccessary imports from Lan module
Updated changelog
Updated documentation.
Merge pull request #221 from mchf/bnc884517-invalid-hostname

Fixed incorrect proposal when virtual machine pattern is selected
Enabled Add button in Overview during installation. bnc#889359
Updated changelog
Merge pull request #224 from mchf/bnc889359-add-button-installation

Enable Add button in Overview dialogue during installation
taking wicked as default if NeteworkManager is not available
packaging
taking Report
importing Report
Merge pull request #225 from yast/review_140805_autoyast_wicked

[Review] Request from 'schubi2' @ 'yast/yast-network/review_140805_autoyast_wicked'
sorted the list of tests; rspec with doc format
Removed outdated comments about tests being disabled.
Use a test_helper
Test DHCLIENT_SET_DEFAULT_ROUTE (bnc#883836).
Moved the default of DHCLIENT_SET_DEFAULT_ROUTE (bnc#883836)

Do not set it to NO when editing an interface.
version + changelog

Conflicts:
	package/yast2-network.spec