Merge pull request #86 from mchf/master

No objections and already merged in Code-11-SP3.
Fixed indentation and formating in lan_proposal.

Conflicts:
	src/clients/lan_proposal.ycp
Exclude S390 from virtualization proposals. bnc#817943

Conflicts:
	src/clients/lan_proposal.ycp
Refactoring params handling in lan_proposal / MakeProposal.

Conflicts:
	src/clients/lan_proposal.ycp
Updated changelog.

Conflicts:
	VERSION