Add two new fields to election information.

database_setup/database.sql

@@ -3,6 +3,8 @@ CREATE TABLE ElectionInformation(
     ThreadId bigint unsigned not null,
     CouncilVoteMsgId bigint unsigned,
     HighCouncilVoteMsgId bigint unsigned,
+    CouncilNominationMsgId bigint unsigned,
+    HighCouncilNominationMsgId bigint unsigned,
     PRIMARY KEY (ElectionCycle)
 );