Output at beginning of Allen

Since the introduction of the lumi_schema_generator, the following output is printed at the top whenever running Allen with hlt1_pp_default:

Packed 37 counters into 72 bytes
Counter packing is 94.4% efficient
Mutating with a 82.4% removal rate
repacking 11 counters
Packed 37 counters into 72 bytes
Counter packing is 94.4% efficient
No improvement, reverting mutation
Mutating with a 32.3% removal rate
No improvement possible, skipping mutation
Mutating with a 3.5% removal rate
No improvement possible, skipping mutation
Mutating with a 87.4% removal rate
repacking 11 counters
Packed 37 counters into 72 bytes
Counter packing is 94.4% efficient
No improvement, reverting mutation
Mutating with a 88.5% removal rate
repacking 12 counters
Packed 37 counters into 72 bytes
Counter packing is 94.4% efficient
No improvement, reverting mutation
Mutating with a 9.7% removal rate
No improvement possible, skipping mutation
Mutating with a 84.1% removal rate
repacking 10 counters
Packed 37 counters into 72 bytes
Counter packing is 94.4% efficient
No improvement, reverting mutation
Mutating with a 63.9% removal rate
repacking 8 counters
Packed 37 counters into 72 bytes
Counter packing is 94.4% efficient
No improvement, reverting mutation
Mutating with a 55.4% removal rate
No improvement possible, skipping mutation
Mutating with a 22.9% removal rate
No improvement possible, skipping mutation

These printouts should become debug or verbose.