*{.sh,run}: use new begin_target instead of `echo_func; set_make_vars`
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/.TNRS/data.sql.run: added refresh() target which runs inputs/test_taxonomic_names/test_scrub
added inputs/.TNRS/data.sql.run for syncing data.sql directly with the DB without needing to use inputs/test_taxonomic_names/test_scrub just to export the sample data. (however, when modifying the tnrs table, it may still be easier to generate new sample data using test_scrub rather than refactoring the table in place.)