Merge pull request #1872 from akeneo/PIM-3473

PIM-3473: Fix date picker year range selection over next year
PIM-3475: Fix attribute options sort order in import/export
PIM-3475: Fix export behat and polish
PIM-3475: Add phpspec to the new class
Merge branch 'PIM-3475' into PIM-3475-merge

Conflicts:
	features/export/export_options.feature
	spec/Pim/Bundle/TransformBundle/Normalizer/Flat/AttributeOptionNormalizerSpec.php
	spec/Pim/Bundle/TransformBundle/Normalizer/Structured/AttributeOptionNormalizerSpec.php
	src/Pim/Bundle/InstallerBundle/Resources/fixtures/icecat_demo/attribute_options.yml
	src/Pim/Bundle/InstallerBundle/Resources/fixtures/icecat_demo_dev/attribute_options.yml
	src/Pim/Bundle/TransformBundle/Normalizer/Structured/AttributeOptionNormalizer.php
PIM-3475 : ensure that the query is well built in specs
Merge pull request #1885 from akeneo/PIM-3475-merge

PIM-3475: Fix attribute options sort order in import/export