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).

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...