Renamed external_db.display_label to db_display_name to distinguish it from...

Renamed external_db.display_label to db_display_name to distinguish it from similarly-named column in xref.

sql/table.sql

@@ -685,7 +685,7 @@ CREATE TABLE external_db (
 
   external_db_id 	      INT not null,
   db_name                     VARCHAR(27) NOT NULL,
-  release                     VARCHAR(40)  NOT NULL,
+  release                     VARCHAR(40) NOT NULL,
   status                      ENUM ('KNOWNXREF','KNOWN','XREF','PRED','ORTH', 'PSEUDO') not null,
 
   dbprimary_acc_linkable      BOOLEAN DEFAULT 1 NOT NULL,
@@ -693,6 +693,8 @@ CREATE TABLE external_db (
 
   priority                    INT NOT NULL,
 
+  db_display_name             VARCHAR(255),
+
   PRIMARY KEY( external_db_id ) 
 
 ) COLLATE=latin1_swedish_ci;