Added TestFreeLicenceLookup test & small refactoring for all lookup tests.

commit 6c82a99cd976237b9757efe9d0d4ba225cc598d2
Author: Tymoteusz Jankowski <tymoteusz.jankowski@ext.allegro.pl>
Date:   Thu Nov 6 13:17:42 2014 +0100

    small refactoring for lookups test

commit 3915f04dc8824400656654d9c936ff1f03778029
Author: Tymoteusz Jankowski <tymoteusz.jankowski@ext.allegro.pl>
Date:   Thu Nov 6 12:53:49 2014 +0100

    added TestFreeLicenceLookup test
added document language in transitions
Merge pull request #501 from ar4s/feature-add-document-language-in-transitions

Added document language in transitions
Merge pull request #505 from xliiv/dc-location-fields-ok

New location fields in dc asset
Merge pull request #499 from xliiv/licence-lookup-test

licence-lookup-test
Merge branch 'develop' into dc-location-form-fields2

Conflicts:
	src/ralph_assets/models_assets.py