Fix php doc for ProductBuilder::__construct
Fix some php documentation in many classes
Fix php doc in CustomEntityBundle
Add some php doc on DemoBundle
Fix php doc on flexible entity bundle and grid bundle
Add/Fix php doc on ImportExportBundle
PIM-1614 : add number attributes
PIM-1641 : add computer family in demo data
PIM-1641 : add some demo products
PIM-1641 : update bap version to get the field property fix
(filtering/sorting on number) and ensure that step execution exists
before to use it
Merge branch 'master' into PIM-1641

Conflicts:
	composer.lock
	src/Pim/Bundle/DemoBundle/Resources/config/installer/demo_dev/attributes.yml
	src/Pim/Bundle/DemoBundle/Resources/config/installer/demo_dev/products.yml
PIM-1641 : add empty values for new attributes
Add UT on attribute form type
Change behat scenario in an attempt to prevent random failure
Clear a field before setting the value in behat
Increase metric field size for unit
Merge branch 'master' of github.com:akeneo/pim-community-dev
Merge branch 'master' into add_UT
Fixed metric attribute adding scenario
Add UT for Date attribute type