public / sequelize

Fix for #2327

Moved dependency from sequelize-bluebird to vanilla bluebird

Universal hooks for all models + hooks on Sequelize#define and Sequelize()

Fix for issue #1829: down migrations operate only on *completed* migrations

Update query.js

Regex does not match the following error: ```Sql
Cannot add or update a child row: a foreign key constraint fails (`database`.`Table`, CONSTRAINT `Table_ibfk_1` FOREIGN KEY (`ForeignKey`) REFERENCES `OtherTable` (`id`) ON DELETE SET NULL ON UPDATE CASCADE)
```
Addionnal text like "ON DELETE SET NULL ON UPDATE CASCADE" was not handled by the regex.

hooks9

hooks10

define hooks 2

define hooks 3

define hooks 4

define hooks 7

Hooks defined on `sequelize` are applied universally on all models

Universal hooks 2

Universal hooks 2

Universal hooks 2

universal hooks 6

Bug fix for hooks

Options passed to hooks

…a transaction based on the resolution of a promise chain (closes #1939)