Added is_out_of_service flag to some road infrastructure messages (#303)

* Added is_out_of_service flag to some road infrastructure messages

* Improved comment in osi_trafficlight.proto

Author: CezarySzyszkaAltran

doc/images/OSI_RoadMaking_is_out_of_service.jpg

@@ -106,6 +106,15 @@ message RoadMarking
         //
         repeated Identifier assigned_lane_id = 6;
 
+
+        // Boolean flag to indicate that the road marking is taken out of service.
+        // This can be achieved by visibly crossing the road marking with stripes, 
+        // or completly covering a road marking making it not visible. 
+        //
+        // \image html OSI_RoadMaking_is_out_of_service.jpg width=800px
+        //
+        optional bool is_out_of_service = 7;
+
         // Definition of road marking types.
         //
         enum Type

osi_roadmarking.proto

@@ -70,6 +70,12 @@ message TrafficLight
         //
         repeated Identifier assigned_lane_id = 5;
 
+        // Boolean flag to indicate that the traffic light is taken out of service.
+        // This can be achieved by visibly crossing the light, covering it completely
+        // or swiching the traffic light off.
+        //
+        optional bool is_out_of_service = 6;
+
         // Definition of colors for traffic lights.
         //
         enum Color

osi_trafficlight.proto

@@ -271,6 +271,11 @@ message TrafficSign
             //
             optional bool vertically_mirrored = 6;
 
+            // Boolean flag to indicate that a traffic sign is taken out of service.
+            // This can be achieved by visibly crossing the sign or covering it completely. 
+            //
+            optional bool is_out_of_service = 7; 
+
             // Definition of traffic sign types.
             // Numbers are given according to German StVO.
             //
@@ -5506,6 +5511,11 @@ message TrafficSign
             //
             repeated Arrow arrow = 6;
 
+            // Boolean flag to indicate that the supplementary traffic sign is taken out of service.
+            // This can be achieved by visibly crossing the sign or covering it completely. 
+            //
+            optional bool is_out_of_service = 7;
+
             // Definition of supplementary sign types.
             //
             // For general supplementary signs use \c #TYPE_TEXT.