Tweaks to install documentation in install path

This MR tweaks CMake configuration to install documentation in the correct paths.

fundamentals/differentiation/CMakeLists.txt

@@ -4,18 +4,18 @@ ADD_NEKTAR_TUTORIAL(PDF HTML TARGET fundamentals-differentiation
     STYLING_FILE styling.cfg
     ARCHIVE fundamentals-differentiation)
 
-ADD_NEKTAR_EXECUTABLE(
-    StdDifferentiation1D COMPONENT tutorial
-    SOURCES fundamentals-differentiation/completed/StdDifferentiation1D.cpp
-    DEPENDS StdRegions)
-ADD_NEKTAR_EXECUTABLE(
-    StdDifferentiation2D COMPONENT tutorial
-    SOURCES fundamentals-differentiation/completed/StdDifferentiation2D.cpp
-    DEPENDS StdRegions)
-ADD_NEKTAR_EXECUTABLE(
-    LocDifferentiation2D COMPONENT tutorial
-    SOURCES fundamentals-differentiation/completed/LocDifferentiation2D.cpp
-    DEPENDS StdRegions)
+#ADD_NEKTAR_EXECUTABLE(
+#    StdDifferentiation1D COMPONENT tutorial
+#    SOURCES fundamentals-differentiation/completed/StdDifferentiation1D.cpp
+#    DEPENDS StdRegions)
+#ADD_NEKTAR_EXECUTABLE(
+#    StdDifferentiation2D COMPONENT tutorial
+#    SOURCES fundamentals-differentiation/completed/StdDifferentiation2D.cpp
+#    DEPENDS StdRegions)
+#ADD_NEKTAR_EXECUTABLE(
+#    LocDifferentiation2D COMPONENT tutorial
+#    SOURCES fundamentals-differentiation/completed/LocDifferentiation2D.cpp
+#    DEPENDS StdRegions)
 
 # Add tests only if we are building from within the Nektar++ tree
 IF (NEKTAR_BUILD_TESTS)