sim_fibo_ad: re-add ouputting of the current report step when using opm-parser

in the old parser, this was called 'epoch'...
sim_fibo_ad: don't instantiate an old parser object if USE_NEW_PARSER is set anymore

I thought I included this in a previous PR. Seems like I was wrong...
Merge pull request #104 from andlaus/sim_fibo_ad_print_reportstep

sim_fibo_ad: re-add ouputting of the current report step when using opm-parser
Merge pull request #105 from andlaus/sim_fibo_ad_dont_instantiate_old_parser

sim_fibo_ad: don't instantiate an old parser object if USE_NEW_PARSER is set anymore