Merge pull request #236 from jverdeyen/feature/doctrinefixtures2.2

"doctrine/doctrine-fixtures-bundle": ">=2.1.0"
Update composer.json
Fixed composer.json
Merge pull request #237 from jverdeyen/feature/doctrinefixtures2.2

Feature/doctrinefixtures2.2
Create messages.es.yml
Merge pull request #238 from pmartelletti/master

Create messages.es.yml
add French translation
Merge pull request #239 from hellomedia/master

add French translation
removed unused twig blocks
Merge pull request #240 from Kunstmaan/remove_unused_blocks

removed unused twig blocks
added sass files for styling the admin interface
Merge pull request #241 from Kunstmaan/add_sass_files

added sass files for styling the admin interface
make sure the datepicker also works when adding new pageparts (ajax)
fix datetime input style + media input box error
Merge pull request #242 from Kunstmaan/fix_datepicker

Fix datepicker
added selector for pagepart behat tests
Merge pull request #243 from Kunstmaan/behat_pp_test

added selector for pagepart behat tests
add DeepCloneInterface to solve deep cloning issues
Merge pull request #244 from Kunstmaan/deep-cloning-fix

add DeepCloneInterface to solve deep cloning issues
fix locale switcher widget