Update composer.json
Merge branch 'master' into 2.2
composer fix
fix mediaurl opengraph image
fix medialink
tagging
Merge remote-tracking branch 'origin/feature/split_seo' into 2.2

* origin/feature/split_seo:
  Add og:url, linkedin url & productID to social
  Add meta_title + add get_title_for twig extension
  don't require extrametadata
  Use 2 FormTypes for 1 Entity
  fix medialink
  fix mediaurl opengraph image
fix php 5.3
Merge branch 'master' into 2.2

* master:
  fix php 5.3
  Fix symfony requirement
  go to symfony 2.2
include facebook JS for like widget
don't show social widgets when there is no URL or linkedin product id.
Merge pull request #11 from Kunstmaan/fix-9188

Fix 9188
Merge branch 'master' into 2.2

* master:
  getDefaultOptions() is deprecated since version 2.1 and will be removed in 2.3. Use setDefaultOptions() instead.
  Update README.md
  code cleanup
  pagetemplates
Symfony 2.2 and Kunstmaan bundles 2.2.8.* dependency