Merge pull request #7 from Malintha/devicetype-3.1.0

Fix : Store device type names as it is

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/DeviceIdentifier.java

@@ -56,7 +56,7 @@ public class DeviceIdentifier implements Serializable{
     }
 
     public void setType(String type) {
-        this.type = type.toLowerCase();
+        this.type = type.trim();
     }
     public String getId() {
         return id;