Cleared the stop flag when all servos of the group have been stopped.

src/joint_motion.c

@@ -208,7 +208,6 @@ void joint_motion_process(void)
             joint_target_speeds[i]=0;
             joint_target_accels[i]=0;
             joint_current_speeds[i]=0;
-            joint_stop[j]=0x00;
           }
           else
           {
@@ -265,6 +264,7 @@ void joint_motion_process(void)
       if(moving==0)
       {
         joint_moving[j]=0x00;
+        joint_stop[j]=0x00;
         ram_data[DARWIN_JOINT_GRP0_CNTRL+j*5]&=(~JOINT_STATUS);
       }
     }