fix tests with new built-in validation object
fix DAO-create tests with new validation expectations
fix null values when allowNull
watch for undefined values too before triggering validators
watch for custom built-in validator 'notNULL'
update tests with new Validation refactoring expectations
link dao-validations.test file INDENTATIONS
fix faulty test case that created relation circular ref
deprecate notNull built-in validator
fix mysql failing test from Validators refactoring
upgrade dottie to cover new failing test-case
.only is bad for your health
Merge pull request #1486 from sequelize/dottie-upgrade

upgrade dottie to cover new failing test-case
update changelog with breaking changes for validation refactoring
Fix for default values and setters
Moved defaultsoptions to the top of dao.js so it's only init'ed once
Merge pull request #1492 from janmeier/defaultvalueSetters

Fix for default values and setters
Merge pull request #1476 from thanpolas/refactor-dao-validator

Refactor dao validator
Merge pull request #1374 from tonytamps:feature/immutable-validation
Merge branch master into apidocs, because I fail at rebasing