Fixes specs
Update changelog for 1.2.2
[CrowdIn] Updated translations
Fixes association type field name
Merge pull request #1503 from akeneo/1.2

1.2
PIM-3185 #comment remove the fixed mysql socket location
PIM-3185 #comment CHANGELOG update
Merge pull request #1504 from akeneo/PIM-3185

Pim 3185
Complete UPGRADE.md with the default user group All
Merge pull request #1505 from akeneo/fix/upgrade

Complete UPGRADE.md with the default user group All