Merge pull request #1258 from cryode/feature/robot_mobile

Add mobile detection to robot user agents.
diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php
index e920578..659371a 100644
--- a/system/libraries/User_agent.php
+++ b/system/libraries/User_agent.php
@@ -310,6 +310,7 @@
 				{
 					$this->is_robot = TRUE;
 					$this->robot = $val;
+					$this->_set_mobile();
 					return TRUE;
 				}
 			}