tg-geolocate: Allow easier access to corpora relative to cur dir
tg-extract-results: Cleanup formatting, add #eval,#train
Add permute-dump: Mistakenly omitted from preproc scripts
bin/textgrounder: Clean up help msg, remove old tr/bayesian stuff
Remove obsolete comment/workaround for compiler crash
--input-corpus -> --input w/old as alias
argparser: Allow comma/underscore to break up large nums
Remove *-file abbrevs (conflicting anyway)
Implement --weights-file, --missing-word-weights; not really tested
Add simple words as rerank features
Remove obsolete script tg-extract-sorted-results
tg-extract-results: More cleanup