[Cleanup] Headers

src/enum_scheme.cc

 #include <dune/common/exceptions.hh>
 
+#include "enums.hh"
+
 template <> struct StringToEnum<Config::scheme> {
   static Config::scheme convert(std::string const &s) {
     if (s == "newmark")

src/enum_state_model.cc

 #include <dune/common/exceptions.hh>
 
+#include "enums.hh"
+
 template <> struct StringToEnum<Config::stateModel> {
   static Config::stateModel convert(std::string const &s) {
     if (s == "Dieterich")

src/one-body-sample.cc

@@ -74,18 +74,16 @@
 #include <dune/tectonic/globalnonlinearity.hh>
 
 #include "assemblers.hh"
-#include "friction_writer.hh"
-#include "solverfactory.hh"
-#include "vtk.hh"
-
-#include "enums.hh"
 #include "enum_parser.cc"
-#include "enum_state_model.cc"
 #include "enum_scheme.cc"
+#include "enum_state_model.cc"
 #include "enum_verbosity.cc"
-
+#include "enums.hh"
+#include "friction_writer.hh"
+#include "solverfactory.hh"
 #include "state.hh"
 #include "timestepping.hh"
+#include "vtk.hh"
 
 size_t const dims = DIM;
 

src/vtk.cc

@@ -2,6 +2,10 @@
 #include "config.h"
 #endif
 
+#include <dune/grid/io/file/vtk/vtkwriter.hh>
+
+#include <dune/fufem/functions/vtkbasisgridfunction.hh>
+
 #include "vtk.hh"
 
 template <class VertexBasis, class CellBasis, class Vector, class ScalarVector>

src/vtk.hh

 #ifndef VTK_HH
 #define VTK_HH
 
-#include <dune/grid/io/file/vtk/vtkwriter.hh>
-
-#include <dune/fufem/functions/vtkbasisgridfunction.hh>
-
 template <class VertexBasis, class CellBasis, class Vector, class ScalarVector>
 void writeVtk(VertexBasis const &vertexBasis, Vector const &displacement,
               ScalarVector const &logState, CellBasis const &cellBasis,