Fixed include order (#245)

See wpilibsuite/styleguide (#11).

simulation/frc_gazebo_plugins/limit_switch/src/external_limit_switch.h

@@ -7,16 +7,16 @@
 
 #pragma once
 
-#ifdef _WIN32
-#include <Winsock2.h>
-#endif
-
 #include <boost/pointer_cast.hpp>
 #include <gazebo/gazebo.hh>
 #include <gazebo/sensors/sensors.hh>
 
 #include "switch.h"
 
+#ifdef _WIN32
+#include <Winsock2.h>
+#endif
+
 using namespace gazebo;
 
 class ExternalLimitSwitch : public Switch {

simulation/frc_gazebo_plugins/limit_switch/src/internal_limit_switch.h

@@ -7,15 +7,15 @@
 
 #pragma once
 
-#ifdef _WIN32
-#include <Winsock2.h>
-#endif
-
 #include <gazebo/gazebo.hh>
 #include <gazebo/physics/physics.hh>
 
 #include "switch.h"
 
+#ifdef _WIN32
+#include <Winsock2.h>
+#endif
+
 using namespace gazebo;
 
 class InternalLimitSwitch : public Switch {

simulation/frc_gazebo_plugins/pneumatic_piston/src/pneumatic_piston.cpp

@@ -7,16 +7,16 @@
 
 #include "pneumatic_piston.h"
 
+#include <boost/algorithm/string/replace.hpp>
+#include <gazebo/physics/physics.hh>
+#include <gazebo/transport/transport.hh>
+
 #ifdef _WIN32
 // Ensure that Winsock2.h is included before Windows.h, which can get
 // pulled in by anybody (e.g., Boost).
 #include <Winsock2.h>
 #endif
 
-#include <boost/algorithm/string/replace.hpp>
-#include <gazebo/physics/physics.hh>
-#include <gazebo/transport/transport.hh>
-
 GZ_REGISTER_MODEL_PLUGIN(PneumaticPiston)
 
 void PneumaticPiston::Load(physics::ModelPtr model, sdf::ElementPtr sdf) {

simulation/frc_gazebo_plugins/potentiometer/src/potentiometer.cpp

@@ -7,16 +7,16 @@
 
 #include "potentiometer.h"
 
+#include <boost/algorithm/string/replace.hpp>
+#include <gazebo/physics/physics.hh>
+#include <gazebo/transport/transport.hh>
+
 #ifdef _WIN32
 // Ensure that Winsock2.h is included before Windows.h, which can get
 // pulled in by anybody (e.g., Boost).
 #include <Winsock2.h>
 #endif
 
-#include <boost/algorithm/string/replace.hpp>
-#include <gazebo/physics/physics.hh>
-#include <gazebo/transport/transport.hh>
-
 GZ_REGISTER_MODEL_PLUGIN(Potentiometer)
 
 void Potentiometer::Load(physics::ModelPtr model, sdf::ElementPtr sdf) {

simulation/frc_gazebo_plugins/rangefinder/src/rangefinder.cpp

@@ -7,17 +7,17 @@
 
 #include "rangefinder.h"
 
+#include <boost/algorithm/string/replace.hpp>
+#include <gazebo/physics/physics.hh>
+#include <gazebo/sensors/sensors.hh>
+#include <gazebo/transport/transport.hh>
+
 #ifdef _WIN32
 // Ensure that Winsock2.h is included before Windows.h, which can get
 // pulled in by anybody (e.g., Boost).
 #include <Winsock2.h>
 #endif
 
-#include <boost/algorithm/string/replace.hpp>
-#include <gazebo/physics/physics.hh>
-#include <gazebo/sensors/sensors.hh>
-#include <gazebo/transport/transport.hh>
-
 GZ_REGISTER_MODEL_PLUGIN(Rangefinder)
 
 void Rangefinder::Load(physics::ModelPtr model, sdf::ElementPtr sdf) {

simulation/frc_gazebo_plugins/servo/src/servo.cpp

@@ -7,16 +7,16 @@
 
 #include "servo.h"
 
+#include <boost/algorithm/string/replace.hpp>
+#include <gazebo/physics/physics.hh>
+#include <gazebo/transport/transport.hh>
+
 #ifdef _WIN32
 // Ensure that Winsock2.h is included before Windows.h, which can get
 // pulled in by anybody (e.g., Boost).
 #include <Winsock2.h>
 #endif
 
-#include <boost/algorithm/string/replace.hpp>
-#include <gazebo/physics/physics.hh>
-#include <gazebo/transport/transport.hh>
-
 GZ_REGISTER_MODEL_PLUGIN(Servo)
 
 void Servo::Load(physics::ModelPtr model, sdf::ElementPtr sdf) {