Merge pull request #147 from eko/2.3-develop

SONATA-334 - Fix sandbox CSS for recent & similar products blocks
Merge pull request #148 from eko/2.3-develop

SONATA-347 - Move newsletter to left side in order to add Twitter block ...
Merge pull request #149 from eko/2.3-develop

Fix Behat tests
Merge pull request #150 from eko/2.3-develop

SONATA-347 - Move newsletter confirmation message to translations
Merge pull request #151 from eko/2.3-develop

Add some fixtures page title
Merge pull request #152 from eko/2.3-develop

Add Behat print last response for debugging this regression test
SONATA-349 - Add demonstration bar to the demo instance
SONATA-340 - Fix footer titles to remove uppercase