SupervisedTRMaxentModelTrainer: Add long comment and args --use-gold, --coord-file for when Wikipedia is converted into gold toponym corpus using 'fieldspring import-corpus -cf tw'
TrXMLSource: Fixes for reading in corpus generated by ImportCorpus
Fix name of ConcatenateWISTRFeatures, some cleanup of code to read TR corpus
runexps.sh: Add --wistr-suffix, cleanup of gt/ner tag