PIM-3054: Added php specs for data transformer
PIM-3054: Added a data transformer to cast string into boolean
PIM-3054: CHanged for to take into account the new data transformer
PIM-3054: Fix small bug
PIM-3054: Change scenarii to make them fit with changes
PIM-3054: Fix code aberration
PIM-3054: Fix documentation typo
Merge pull request #1534 from akeneo/PIM-3054

Pim 3054 merged