Abstract remote IP address negotiation
Abstract remote IP address negotiation

- Created Zend\Http\PhpEnvironment\RemoteAddress
- Modified Zend\Session\Validator\RemoteAddr to use the above

netroby/zend-http,Maks3w/zend-http,weierophinney/zend-http,zendframework/zend-http,malinink/zend-http,asgrim/zend-http