[maven-release-plugin] copy for tag org.gvsig.raster.principalcomponents-2.2.168
Updates parent (raster) version to 2.2.9, updated geoprocess dependencies version to 2.2.22 and fixed compilation error in PrincipalComponentsSextanteAlgorithm
Added to svn:ignore .project, .settings and .classpath files
Added to svn:ignore .project and .settings files