moved everything into /trunk/ to create the standard svn layout, for use with tools that require this (eg. git-svn). IMPORTANT: do NOT do an `svn up`. instead, re-use your working copy's existing files with `svn switch` (http://svnbook.red-bean.com/en/1.6/svn.ref.svn.c.switch.html).
inputs/ARIZ/omoccurrences/: translated single-column filters to postprocessing derived columns, using the steps at wiki.vegpath.org/Switching_to_new-style_import#stage-I-source-specific > "translate single-column filters to postprocessing derived columns"
inputs/*/*/map.csv: replaced /_first filter with mapping to DUPLICATE special term (VegCore.vegpath.org?DUPLICATE). this removes collisions that don't need a postprocessing formula to combine the columns.
inputs/ARIZ/omoccurrences/map.csv: cultivationStatus: Map to NULL if it's false, because cultivated can only be true or NULL
inputs/ARIZ/: Mapped refresh