init and macro moved to examples directory

examples/CMakeLists.txt

+add_custom_target(examples)
 
 set(projects2d "ellipt" "heat" "vecellipt" "stokes0" "stokes1" "stokes3" "navier_stokes")
 
@@ -7,6 +8,7 @@ foreach(project ${projects2d})
     target_link_dune_default_libraries(${project}.2d)
     target_link_libraries(${project}.2d "amdis")
     target_compile_definitions(${project}.2d PRIVATE AMDIS_DIM=2 AMDIS_DOW=2)
+    add_dependencies(examples ${project}.2d)
 endforeach()
 
 set(projects3d "ellipt" "heat")
@@ -17,4 +19,5 @@ foreach(project ${projects3d})
     target_link_dune_default_libraries(${project}.3d)
     target_link_libraries(${project}.3d "amdis")
     target_compile_definitions(${project}.3d PRIVATE AMDIS_DIM=3 AMDIS_DOW=3)
+    add_dependencies(examples ${project}.3d)
 endforeach()
\ No newline at end of file