Added breadcrumb BlockEvent Listener
SONATA-290 - Add share by email block
Merge pull request #32 from eko/email

SONATA-290 - Add share by email block
Merge pull request #31 from eko/master

SONATA-289 - Add Pinterest pin button block
Merge pull request #30 from sylvaindeloux/SONATA-218

Added breadcrumb BlockEvent Listener
Update SEO bundle documentation with missing twig helpers