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).

vegbien_dest: Changed default $prefix to "", so that the majority of callers don't need to manually set $prefix to "" to avoid it defaulting to out_

postgres_vegbien: Fixed bug where interpreter did not match vegbien_dest's new required interpreter of /bin/bash

postgres_vegbien: Removed no longer needed retrieval of bien_password

Added postgres_vegbien to run PostgreSQL command on the vegbien db