Refactoring: Designer/schema integration

by Yashodha for phpMyAdmin

Being one of the most renowned open source software for MySQL administrator, phpMyAdmin is a widely used tool. It has matured with many new features and improvements for many years, with the contribution of the open source community. But there is always a tendency for issues such as, similar kind of features being implemented, code duplications and eventually degradation of the code quality. The intention of this project is to address these issues under several aspects and improve its quality.