Fixed issues in arduino temperature sensor

components/iot-plugins/arduino-plugin/org.wso2.carbon.device.mgt.iot.arduino.api/src/main/webapp/META-INF/permissions.xml

@@ -31,16 +31,16 @@
 
 	<Permission>
 		<name>control bulb</name>
-		<path>device-mgt/user/operations</path>
+		<path>/device-mgt/user/operations</path>
 		<url>/device/*/bulb</url>
 		<method>POST</method>
 		<scope>arduino_user</scope>
 	</Permission>
     <Permission>
         <name>get controls</name>
-        <path>device-mgt/user/operations</path>
+        <path>/device-mgt/user/operations</path>
         <url>/device/*/controls</url>
-        <method>POST</method>
+        <method>GET</method>
         <scope>arduino_device</scope>
     </Permission>
     <Permission>

features/iot-plugins-feature/arduino-plugin-feature/org.wso2.carbon.device.mgt.iot.arduino.feature/src/main/resources/agent/PollServer.ino

@@ -28,8 +28,6 @@ void readControls() {
     client.fastrprint(F("\n"));
     client.fastrprint(host.c_str());client.fastrprint(F("\n")); 
     client.fastrprint(F("Authorization: Bearer ")); client.fastrprint(F(DEVICE_TOKEN)); client.fastrprint(F("\n"));
-    client.fastrprint(F("Content-Type: application/json")); client.fastrprint(F("\n"));
-    client.fastrprint(F("Accept: application/json")); client.fastrprint(F("\n"));
     client.fastrprint(F("\n"));
     client.fastrprint(F("protocol: HTTP\n"));
 
@@ -77,6 +75,7 @@ void readControls() {
         digitalWrite(6, LOW);
         
     }
+    responseMsg = "";
     
 }