[CrowdIn] Updated translations
Merge pull request #1707 from nono-akeneo/crowdin/1.2-2014-10-27-04-00

Update translations from CrowdIn
PIM-3309: Validation on product values unicity

*Behats have exactly the same values as descripbed in the github issue #1657
*Behats to check the unicity of product's sku