[twgit] Init feature 'feature-1': achat code en lot sur néosurf.
Create a new task for the Symfony2 console tool
[twgit] Init feature 'feature-2': Create a new task for the Bower package manager.
#2 Create a new task for the Bower package manager
Forgot to add a change
[twgit] Init release 'release-2.1.0'.
Some doc about use of AttributeProperties::OPTIONAL.
Authors adjustment.
Merge branch 'feature-1' into release-2.1.0
Merge branch 'feature-2' into release-2.1.0

Conflicts:
	src/Himedia/Padocc/AttributeProperties.php
Update CHANGELOG.md and composer.lock.
FIX typo to follow PSR2 coding standards.
Merge branch 'release-2.1.0' into stable