Added the upload id column

manifest

@@ -43,3 +43,4 @@ user_add_can_invite.sql
 admin_users.sql
 full_text_search.sql
 saved_tracks.sql
+saved_tracks_upload_id.sql

up/saved_tracks_upload_id.sql

@@ -0,0 +1 @@
+ALTER TABLE saved_tracks ADD COLUMN upload_id VARCHAR(64);