Fix include issue with Branch.hpp (#57)

Also brought some adjacent include in line with style guidelines

Author: alexander-novo

src/Model/PhasorDynamics/Branch/Branch.cpp

@@ -60,7 +60,6 @@
 #include <iostream>
 #include <cmath>
 #include <Model/PhasorDynamics/Bus/Bus.hpp>
-#include <PowerSystemData.hpp>
 
 #include "Branch.hpp"
 

src/Model/PhasorDynamics/Branch/Branch.hpp

@@ -59,7 +59,8 @@
 
 #pragma once
 
-#include <ModelEvaluatorImpl.hpp>
+#include "ModelEvaluatorImpl.hpp"
+#include "PowerSystemData.hpp"
 
 // Forward declarations.
 namespace GridKit

src/Model/PowerFlow/Branch/Branch.cpp

@@ -60,7 +60,6 @@
 #include <iostream>
 #include <cmath>
 #include <Model/PowerFlow/Bus/BaseBus.hpp>
-#include <PowerSystemData.hpp>
 
 #include "Branch.hpp"
 

src/Model/PowerFlow/Branch/Branch.hpp

@@ -60,7 +60,8 @@
 #ifndef _BRANCH_H_
 #define _BRANCH_H_
 
-#include <ModelEvaluatorImpl.hpp>
+#include "ModelEvaluatorImpl.hpp"
+#include "PowerSystemData.hpp"
 
 namespace GridKit
 {