Introduce new parameter 'ham_name', to declare which hamiltonian to use. This also replaces 'Executable'.

- Introduce OpenMP variable
- rename argument compile_config to config
- Set OpenMP threads to 1 for analysis

Py alf development

See merge request !1

NOTE: For compilation to work, you need 'env | grep '^ALF_' > enviroment' at end of configureHPC.sh