fullspeed_navdata now affects publishing of /ardrone/navdata,imu,mag topics as well.

This update also includes a few speed improvements for the case where fullspeed_navdata==true.

scripts/NavdataMessageDefinitionsTemplate.c

@@ -16,7 +16,7 @@
 #endif
 
 #ifdef NAVDATA_STRUCTS_HEADER_PUBLIC
-	void PublishNavdataTypes(navdata_unpacked_t &n, ros::Time &received);
+	void PublishNavdataTypes(const navdata_unpacked_t &n, const ros::Time &received);
 #endif
 
 #ifdef NAVDATA_STRUCTS_HEADER_PRIVATE