Renamed number_io problem
Fixed bug in Number IO problem error function about printing decimal places
Fixed bug where normalized error was used to compare to threshold, leading to solutions when there shouldn't be.
Merge branch 'fix-threshold-with-normalization' into prog-synth-benchmarks
Merge branch 'prog-synth-benchmarks' into prog-synth-benchmarks-point-evals

Conflicts:
	src/clojush/pushgp/report.clj