data/trec/: New curated TREC and IRC question datasets

We will switch in favor of these from the -single dataset.
Remove trecnew-single200.tsv, using 430+430 train/test curated dataset (based on TREC and IRC) instead
AnswerAnalysisAE, PassageAnalysisAE: Disable CAS debug dumps

We want general debug information, but this specifically is taking up
many gigabytes per run and slows down the evaluation to about half the
normal speed.
Merge branch 'master' into mlscoring
mvn -Ptrecgs -> tsvgs
Merge branch 'master' into mlscoring