bugfix: bin/*: spell out [:alnum:] as [a-zA-Z0-9] because Python unfortunately doesn't support character classes

web/links/index.htm: updated to Firefox bookmarks. moved Linux, Mac into Unix folder. added instructions to remove old Linux kernels, which fill up the /boot partition. added instructions to force sed to use raw binary mode instead of UTF-8 when UTF-8 is set in the environment. added methods of implementing DB disk space quotas in Postgres. added comparison on my Mac's CPU (2.66 GHz Intel Core i5) with vegbiendev's (2.44 GHz AMD Phenom X4). my Mac's seems to be much faster, so it might make sense to check that the Thor CPUs are faster than the Vis Lab computers' CPUs the next time it gets upgraded. (these diffs can be seen in WinMerge with Moved block detection on. see /README.TXT > WinMerge setup for details.)

inputs/bien_web/observation/VegBIEN.csv: regenerated now that *_index dummy columns have been removed

inputs/.TNRS/schema.sql: tnrs_populate_fields(): updated runtimes. it now takes 25 min instead of 16 min to regenerate the derived cols.

inputs/IRMNG/_README.TXT: added note that when refreshing this datasource, remember to regenerate the TNRS derived cols using the instructions in inputs/.TNRS/schema.sql > tnrs_populate_fields()

bin/*: replaced confusing regexp constructs involving \W inside [] with the much clearer explicit character class [:alnum:] . this avoids adding or subtracting from an inverted class in order to reach a subset of the corresponding positive class, because the subset can just be named explicitly instead.

bugfix: bin/repl: doesn't make sense to use other chars in a [^\W_] regexp, because they will have no effect since \w doesn't include the other chars to begin with. this is a result of confusion with the ^ and \W double negative.

lib/runscripts/table.run: postprocess(): propagate the $remake flag to remake_VegBIEN_mappings using self_make, so that a remake=1 on postprocess will cause map.csv to be regenerated as it would for a remake=1 directly on remake_VegBIEN_mappings

bugfix: postprocess(): moved $can_test flag from import() to this function because it is used here

lib/runscripts/table.run: import(): moved postprocessing commands to separate postprocess() function that can be invoked on an already-imported staging table to avoid running the load_data() target. this is especially useful when running the postprocessing on a working copy without the unversioned data files, for datasources whose load_data() target would otherwise try to download the files because they don't already exist.