GPEParser uses interfaces instead of classes.
Added the getFormat method to the parsers that return the mime type
use mime type to grab an xml or binary xml parser, and introduction of preliminar xml stream writer interface
It uses the XML namespace
Parsers and writers uses the SPI to register them in GPE
The array of doubles have been replaced by the ICoordinatesIterator
javadoc correction
Package refactoring: all the GPEParsers are located in the org.gvsig.gpe.parser package and all the GPEWriter are located in the org.gvsig.gpe.writer package.