correctly install fwd.h and registeration

include/curves/CMakeLists.txt

@@ -15,6 +15,7 @@ SET(${PROJECT_NAME}_HEADERS
   piecewise_curve.h
   so3_linear.h
   se3_curve.h
+  fwd.h
   )
 
 INSTALL(FILES

include/curves/serialization/CMakeLists.txt

 SET(${PROJECT_NAME}_SERIALIZATION_HEADERS
   archive.hpp
+  registeration.hpp
   eigen-matrix.hpp
   fwd.hpp
   )

include/curves/serialization/archive.hpp

@@ -12,7 +12,7 @@
 #include <boost/archive/xml_oarchive.hpp>
 #include <boost/archive/binary_iarchive.hpp>
 #include <boost/archive/binary_oarchive.hpp>
-#include "registeration.h"
+#include "registeration.hpp"
 
 namespace curves {
 namespace serialization {