Lock zircote/swagger-php to 2.0.8
Lock zircote/swagger-php to 2.0.8

zircote/swagger, which is used by alt3/cakephp-swagger, dropped
support for PHP 5 in version 2.0.9.  Until we are ready to do the
same, we lock the version down.

QoboLtd/project-template-cakephp,QoboLtd/project-template-cakephp,QoboLtd/project-template-cakephp,QoboLtd/project-template-cakephp,QoboLtd/project-template-cakephp