New lawmakers added, individual emails sent, integration enhancements

We've made some improvements to ActionButton

• Members of devolved parliaments in the UK can now be contacted with the Contact Your Lawmaker button.
• All lawmakers contacted now receive distinct emails. We used to send one email that contained all lawmakers' names in the salutations (ie “Dear Senator Padilla and Congresswoman Eshoo”).
• We improved the integration between ActionButton and NationBuilder: petition and opinion actions can be added as the source of an automation, and opinion data is now synced.