Bug fixes

Changes since 7.x-3.5
accessibility fix
#2129317: YouTube iframe tag missing name attribute
New feature:
#2921208: Populate metadata coming from MediaInternetYouTubeHandler::oEmbed()
Bug fix:

Passed security board review.

remove old dir

• fix custom "row class" rendering

Added new email field in "2checkout Pay button component" We have extended Drupal "site default country" as a 2checkout pay country.

• Issue #2905798: Get update link from LinkedIn
• Issue #2845235: Unable to get tweet images
• Issue #2910726: Unlock Youtube channel ID
• Issue #2920058: Linkedin access token form field is too short