Adds a extension to make automatic layouts
Modifies matcher files to take into account new codification
Creates the polygon parcel following an ordenated set of points
Adds a DAO class
Refactor to extract code to new common utility classes
Improves the layout extension
Removes postgres sql scripts

As we are only using sqlite and is going to be outdated is better
to remove it to avoid confusion. If we need it for postgres, the
up to date sqlite sql can be used
Rewrites 02-domains.sql

to use INSERT INTO table () VALUES (),() statements. From sqlite
version 3.7.11 these are valid queries
Small changes in files to match scripts output
Loads sqlite driver in Drivers class in unit tests
Fixes incorrect name in centros_reuniones.xml
Adds tests for forms
Unifies field name with table domain name

Column 'tipo' in table 'cultivos' is renamed to 'cultivo_tipo', to match
the existent domain table 'cultivo_tipo'
Fixes test_data.sql
Adds script to generate the sqlite database
Changes some values in domains tables to match the values that
are being used in field
Adds spatial indexes
Adds a embebed table for 'parcelas' to 'comunidad' form
Renames field cultivo_tipo to cultivo
One farmer can have any number of plots

A number of changes have been introduced to allow have multiple
plots('parcelas') for each farmer ('informacion_general')