DAR-735 Removed '?redirect=no'
It is no longer needed after changing of default landing page
DAR-735 Flattening of wikis for Collections

- added getPromotionCondition method to WikiListConditioner interface
- used implementation of getPromotionCondition to flatten wiki list for Collection
- added unit test for getPromotionCondition implementation in WikiListConditionerForCollection
DAR-735 Changed assertion message in unit test
Merge pull request #998 from Wikia/DAR-735

DAR-735 Flattening of wikis for Collections