Revert "Temporarily disable recent activity"

This reverts commit ead643e7ee8104f1ef9e589d670e4a227467e568.
Revert "Temporary pending specs while dashboard is disabled"

This reverts commit 20c4bf91a00b6cc021a73345e3cf2328301c76f4.
Revert "Remove more activities"

This reverts commit d6a8ffd287713e7ca40e912fc563d6ea0d73dbfb.