Add new methods for and / or queries
Add test to make sure that array notation for where works
Add support for Sequelize.and / Sequelize.or
support for or-queries. fixes #1253
Merge pull request #1287 from sequelize/feature/or-queries

Support for OR queries
Merge branch 'master' of github.com:sequelize/sequelize

Conflicts:
	lib/dialects/abstract/query-generator.js
Updated changelog