Changes for 2.4.draft2:
* Spelling variants file from Rick is now checked in
* GBIF source taxonomy list checked in
* Edits formerly in ott_edits.tsv have been moved out to misc_edits.tsv
* Synonyms file now has four columns; 'type' column is new
* Simplified the Makefile a bit
* Added rules to make short-list.tsv, the list of most serious deprecations
* New rule for aster-tarball
* New '--select2' directive improving on '--select' (will switch over
  to new name later)
* Pull some collection modifications out of loop to avoid concurrent
  modification exceptions
* Exclude 'in-part', 'includes', 'type material', and 'authority' type
  synonyms
* Improve name lookup logic in patch system to reduce number of
  ambiguities
* New "fold" command
* Fix patch for Berendtia
* Improve postmortem reports, e.g. for unresolved/ambiguous show the
  alternatives that were being considered
* 'eschew-tattered' rule discourages matching to tattered nodes