Classifier: Allow for limited set of cell candidates
Implement hierarchical classifier, handle unclassifiable cell in plain classifier
VowpalWabbit: Fix verboseness in hierarchical classifier output
VowpalWabbit: Delete temp files when training or classifying
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
VowpalWabbit: Add --fallback-vw-args and use when VW fails to create a model
KdTree: Fix bug with reverse NW/SE coord
GridRanker: Better comment hierarchical-classifier code
KDTree: Implement hierarchical classification
Geolocate: Create shorter versions of new options for tag
table: Add format_table_with_header
GridLocate: Fixes to help strings
VowpalWabbit: Warn also when model size is 0 > x < 256
Cell/Comment: Fix typos in comment