Verbose: New package with enum for three-way verbosity level, use in metering, hier classifier
WIP: Hierarchical classifier: Turn off normalization of Vowpal Wabbit results by default
AnalyzeResults: Clean up predicted-cell-distrib, correct-cell-distrib tables
GridLocate: Fixes to doc strings for --print-results-related options
GridLocate: Add --nested-vw-args to specify nested classifier args separate from outer classifier args
GridRanker,VowpalWabbit: Code to check for bad model file
GridRanker: Debug code for hier classifier