Geolocate: Add 'salience-commontop', 'celldist-commontop' as shorter aliases
processwiki: More comments, handle Russian Координаты param
MergeMetadataAndOldCounts: Fix edge case involving U+2028 in words (FIXME should be treated as whitespace in processwiki.py)
MergeMetadataAndOldCounts: Don't output 'Handling ...' for every article to reduce output pollution
preprocess-dump: Fix bug reprocessing an existing permuted dump
ParseTweets: Add location, timezone, utc-offset
Geolocate/GeoFeatureVector/TwitterDoc: Implement lang/location/timezone as Twitter-specific features (NOT TESTED)