Merge branch 'fix/python-target' into 'master'

[python] FIx python binding installation

See merge request !100 (merged)

(cherry picked from commit 35b3c13b)

fcab6722 [python] Remove file extension (this will be added during configure) fa6e7137 [python] Replace deprecated dune_python_install_package by dune_python_configure_bindings