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/ACAD/Specimen/postprocess.sql, inputs/ARIZ/omoccurrences/postprocess.sql: removed unnecessary "" around keys/values. "" are required in hstore input syntax in approximately the same places as they are in XPaths (around values containing spaces or special characters).
inputs/ACAD/: switched to new-style import, using the steps at wiki.vegpath.org/Switching_to_new-style_import#stage-I-source-specific > "run the following for each datasource"
inputs/ACAD/Specimen/: 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"