Libraries: Create top level directory for libraries.

Things were getting a little crowded in the project root, so this patch
moves the Lib*/ directories into Libraries/.

Libraries/LibCore/CHttpResponse.cpp

@@ -0,0 +1,12 @@
+#include <LibCore/CHttpResponse.h>
+
+CHttpResponse::CHttpResponse(int code, HashMap<String, String>&& headers, ByteBuffer&& payload)
+    : CNetworkResponse(move(payload))
+    , m_code(code)
+    , m_headers(move(headers))
+{
+}
+
+CHttpResponse::~CHttpResponse()
+{
+}