[installscript] update to dumux 3.10 and dune 2.10

installcourse.sh

@@ -28,19 +28,19 @@ mkdir -p dumux_course
 cd dumux_course
 
 echo "Cloning dumux:"
-git clone --branch releases/3.8 --depth=1 https://git.iws.uni-stuttgart.de/dumux-repositories/dumux.git
+git clone --branch releases/3.10 --depth=1 https://git.iws.uni-stuttgart.de/dumux-repositories/dumux.git
 
 echo "Cloning dumux-course:"
-git clone --branch master https://git.iws.uni-stuttgart.de/dumux-repositories/dumux-course.git
+git clone --branch releases/3.10 https://git.iws.uni-stuttgart.de/dumux-repositories/dumux-course.git
 
 for module in common geometry grid localfunctions istl; do
     echo "Cloning dune-$module:"
-    git clone --branch releases/2.9 --depth=1 https://gitlab.dune-project.org/core/dune-$module.git
+    git clone --branch releases/2.10 --depth=1 https://gitlab.dune-project.org/core/dune-$module.git
 done
 
 for module in alugrid subgrid foamgrid; do
     echo "Cloning dune-$module:"
-    git clone --branch releases/2.9 --depth=1 https://gitlab.dune-project.org/extensions/dune-$module.git
+    git clone --branch releases/2.10 --depth=1 https://gitlab.dune-project.org/extensions/dune-$module.git
 done
 
 echo "Finished cloning, building everything"