adding new script to save the kernel parameters before and after reboot:
* prep/hp/35_save_kernel_parameters.sh
* postinstall/hp/33_save_kernel_parameters.sh
* do a diff between the kernel_parameter.before/after (34_diff_kernel_parameters.sh)
* modifief 35_st_san_safe.sh: check for kernel tunable before trying to tune it
close #16