Added 'persistent' setting to MemcacheEngine. Fixes #1705 when connections are not closed when using i.e. FCGI.
Added 'persistent' setting to MemcacheEngine.
Fixes #1705 when connections are not closed when using i.e. FCGI.


	See: cakephp/cakephp@402c4a7a6fb171c59cb445ff7c9f7c16f9f1851f


QoboLtd/project-template-cakephp,ojengwa/cake-appengine,QoboLtd/project-template-cakephp,makallio85/fish-diary,ojengwa/cake-appengine,QoboLtd/project-template-cakephp,makallio85/fish-diary,QoboLtd/project-template-cakephp,makallio85/fish-diary,QoboLtd/project-template-cakephp