api/v3/System - Add a "get" operation to return basic system info
CRM-15280 - Advanced Search not working for deleted Contacts

https://issues.civicrm.org/jira/browse/CRM-15280
Merge pull request #4117 from totten/4.4-system-get

api/v3/System - Add a "get" operation to return basic system info
Merge pull request #4295 from eileenmcnaughton/CRM-15408

CRM-15280 - Advanced Search not working for deleted Contacts
Merge remote-tracking branch 'upstream/4.4' into 4.4-4.5-2014-10-14-11-16-10

Conflicts:
	api/v3/System.php
	tests/phpunit/api/v3/SystemTest.php