schemas/vegbien.sql: location_set_top_plot(): only do the lookup of the parent's top_plot when there is a parent_id

schemas/vegbien.sql: location: added autopopulated top_plot

schemas/vegbien.sql: locationevent: added locationevent_pull_forward_from_parent() trigger which populates project_id from the parent locationevent

web/links/index.htm: updated to Firefox bookmarks: NCEAS: added link to phone list, which contains the Balboa Building maintenance numbers

/README.TXT: Notes on running programs: added warning that you should always start with a clean shell to avoid spurious bugs

schemas/vegbien.sql: locationevent__pull_forward_from_parent(): renamed to locationevent_pull_forward_from_parent_for_stratum() since it actually has a filter that causes it to apply only to stratum events

added validation/aggregating/, containing folders for Brad's scripts (the scripts themselves cannot be in the repository because they are not UCSB-owned)

web/links/index.htm: updated to Firefox bookmarks: svn: added steps to add a file containing (append to the path)

web/links/index.htm: updated to Firefox bookmarks: `mysql`: added commands to get interactive formatting (including echoed queries) when inputting from a file, and to get raw formatting when inputting from the console. git: added equivalent to `svn update`.

bugfix: schemas/vegbien.sql: commconcept: added missing unique constraint on commdescription, which is also an identifying field in addition to the ID (which is in commname.commname)