adding license file again.
made changes to the unit tests so they can be set up to use other credentials
made changes to passing db credentials to phpunit for CI integration
made correction to comply with ccoding standards
made correction to comply with coding standards
made changes to autoloading
Put serializers in their own classes. Preperation for TP3 implementation
corrected issues to pass code quality checks
added a test for transactions.
removed deprecated methods and updated documentation to mention composer
changed documentation to link to 3.0 branch