add explanation to extension regcode dialog (bnc#881466)
improve tests, version dependencies and slightly code
Merge remote-tracking branch 'upstream/master'

Conflicts:
	package/yast2-registration.changes
	package/yast2-registration.spec
comments from review
Merge pull request #94 from jsrain/master

add explanation to extension regcode dialog (bnc#881466)
fixes from testing
Merge branch 'master' of github.com:yast/yast-registration into nested_addons

Conflicts:
	src/clients/inst_scc.rb
add tests for addon selection dialogs and bunch of small fixes