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).

Added cmd-line options to biengeo bash scripts.

All biengeo bash scripts now accept command line options to specify psql
user, host, and database values.
These options are the same as those defined by the psql command.
If an invalid option is given to a script, a usage message is printed...

Fix biengeo script password prompt for postgres user.

Changed the DB_HOST variables in the biengeo bash scripts to a
DB_HOST_OPT variable that is blank by default.
Updated all psql calls that used "-h $DB_HOST" to use just $DB_HOST_OPT
instead.
This means that to specify a different db host, the DB_HOST_OPT...

Renamed biengeo install scripts to setup scripts.

It seems to make more sense to call these setup scripts, since they are
only setting up the database and tables, and not actually installing any
files anywhere on the OS.

Split geovalidate.sh into install and update scripts.

Split geovalidate.sh into install.sh and update_gadm_data.sh scripts.
The install.sh script creates the databse and uses the install sql
scripts to create all required tables.
The update_gadm_data.sh script downloads the GADM data and creates the...