Revert "remove livesupport"

This reverts commit 809aa2bf668ee2ceff89271f17b6a023593d612e.
Revert "leave off addThis"

This reverts commit 71ee714ab8968ba29eb7484f53cda3e6985ecded.
Revert "disable AddThis"

This reverts commit f966cf9f9065c21b8fce8c669a48961eb97d89db.