minor edits to SEXTANTE algorithms and scripts
improvements in SEXTANTE modeler
Minor SEXTANTE changes
edited some SAGA/GRASS algorithm description in SEXTANTE
Merge branch 'master' of https://github.com/qgis/Quantum-GIS
started adapting sextante to new vector api
Merge branch 'master' of https://github.com/qgis/Quantum-GIS