Merge pull request #10696 from nickiannone/master

Tweaked db-migrate-base and db-migrate-pg to get downstream deps working

db-migrate-base/db-migrate-base.d.ts

@@ -8,6 +8,8 @@
 
 declare module "db-migrate-base" {
 
+  import * as Promise from "bluebird";
+
   export interface CallbackFunction { (err: any, response: any): void; }
 
   export interface InternalModule {

db-migrate-pg/db-migrate-pg.d.ts

@@ -10,6 +10,7 @@ declare module "db-migrate-pg" {
 
   import * as pg from "pg";
   import * as DbMigrateBase from "db-migrate-base";
+  import * as Promise from "bluebird";
 
   // Yes, this is a dummy interface for now; the current implementation of the pg driver doesn't need any options.
   export interface CreateDatabaseOptions {}