added email addresses to the engineering contribution table

src/sql/0-run-first/contributions.sql

@@ -5,6 +5,7 @@ DROP TABLE IF EXISTS engineer_contributions;
 
 CREATE TABLE engineer_contributions AS
 SELECT CONCAT(users.lname, ', ', users.fname)                            AS `Engineer`,
+       users.email,
        project_lifecycle.project_number                                  AS `ProjectNumber`,
        project_lifecycle.timestamp,
        new_value                                                         AS `ActionType`,
@@ -79,4 +80,4 @@ WHERE id IN (SELECT bad_rows.id
                                      AND good_rows.min_id <> bad_rows.id);
 
 ALTER TABLE rdu_soil_contributions
-    DROP COLUMN IF EXISTS id;
+    DROP COLUMN IF EXISTS id;