Merge pull request #2355 from chornyi/1.7.0

 Handle disconnects for MySQL read replicas with connection pooling
Rename the CLI to sequelize-legacy
include options when calling destroy on a paranoid table
Merge pull request #2404 from suisha/1.7.0

Include options when calling destroy on a paranoid table
Merge pull request #2386 from sequelize/feature/rename-cli

Rename the CLI to sequelize-legacy