Remove icon of change password extension
Removes a .sql file integrating its contents in another and renaming the rest
to avoid gaps in the names
DDL of the layers 'departamentos', 'municipios', 'cantones' are created
as bussiness logic. These layers are moved to a new schema called
'limites_administrativos'
Changed 'precio_lmp' to 'precio_m' in the data of predefined pumps to
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Changes in scripts

* fonsagua.sh exits when there is an error executing the ddl scripts
* prepare-db-deploy takes into account the schema 'limites_administrativos'
Update the filter code to use 'limites_administrativos'
Refactor old code to use FonsaguaFilterFields and to handle that
can be errors on the relation between administrative limits. Mostly
a superior entity could not contain entities of minor level.