catch all exceptions in all tutorials and examples

tutorials/tutorial1.cpp

@@ -45,6 +45,7 @@
 // ----------------- Main program -----------------
 
 int main()
+try
 {
     /// \page tutorial1
     /// We set the number of blocks in each direction.
@@ -102,6 +103,10 @@ int main()
     /// \internal [write vtk]
     /// \endinternal
 }
+catch (const std::exception &e) {
+    std::cerr << "Program threw an exception: " << e.what() << "\n";
+    throw;
+}
 
 /// \page tutorial1
 /// We read the vtu output file in \a Paraview and obtain the following grid.

tutorials/tutorial2.cpp

@@ -50,6 +50,7 @@
 ///
 
 int main()
+try
 {
 
     /// \page tutorial2
@@ -195,6 +196,10 @@ int main()
     /// \internal [write output]
     /// \endinternal
 }
+catch (const std::exception &e) {
+    std::cerr << "Program threw an exception: " << e.what() << "\n";
+    throw;
+}
 
 /// \page tutorial2
 /// We read the vtu output file in \a Paraview and obtain the following pressure

tutorials/tutorial3.cpp

@@ -93,6 +93,7 @@
 /// \snippet tutorial3.cpp main
 /// \internal [main]
 int main ()
+try
 {
     /// \internal [main]
     /// \endinternal
@@ -316,6 +317,10 @@ int main ()
         Opm::writeVtkData(grid, dm, vtkfile);
     }
 }
+catch (const std::exception &e) {
+    std::cerr << "Program threw an exception: " << e.what() << "\n";
+    throw;
+}
 /// \internal [write output]
 /// \endinternal
 

tutorials/tutorial4.cpp

@@ -52,6 +52,7 @@
 /// \snippet tutorial4.cpp main
 /// \internal[main]
 int main ()
+try
 {
     /// \internal[main]
     /// \endinternal
@@ -436,6 +437,11 @@ int main ()
 
     destroy_wells(wells);
 }
+catch (const std::exception &e) {
+    std::cerr << "Program threw an exception: " << e.what() << "\n";
+    throw;
+}
+
 /// \internal[write output]
 /// \endinternal