Move public interfaces to include folder

core-writer/test/test_BufferedWriter.cpp

@@ -1,5 +1,5 @@
 #include "gtest/gtest.h"
-#include "../src/BufferedWriter.hpp"
+#include "BufferedWriter.hpp"
 using namespace std;
 
 TEST(BufferedWriter, get_buffered_writer)

core-writer/test/test_H5Writer.cpp

@@ -1,5 +1,5 @@
 #include "gtest/gtest.h"
-#include "../src/H5Writer.hpp"
+#include "H5Writer.hpp"
 using namespace std;
 
 TEST(H5Writer, get_h5_writer)

core-writer/test/test_MetadataBuffer.cpp

@@ -1,5 +1,5 @@
 #include "gtest/gtest.h"
-#include "../src/MetadataBuffer.hpp"
+#include "MetadataBuffer.hpp"
 
 using namespace std;
 

core-writer/test/test_ZmqReceiver.cpp

@@ -1,5 +1,5 @@
 #include "gtest/gtest.h"
-#include "../src/ZmqReceiver.hpp"
+#include "ZmqReceiver.hpp"
 
 using namespace std;
 namespace pt = boost::property_tree;

core-writer/test/test_client.cpp

@@ -1,5 +1,5 @@
 #include "gtest/gtest.h"
-#include "../src/H5Writer.hpp"
+#include "H5Writer.hpp"
 using namespace std;
 
 TEST(H5Writer, get_h5_writer)