[sextante] changed saga cmdname method and modified merge raster algorithm description
[sextante] commented out loadfromDict method
[sextante]Improvements in batch processing interface and in the simplified toolbox organization
[sextante] changed statisticByCategories, so now it does not depend on external libs
[sextante] added new modeler-only tools
[sextante] changes in R interface
[sextante] minor changes in algorithms and some code cleaning
[sextante] improved handling of ParameterCrs
[sextante]Changed how SAGA installation is checked
[sextante] added autofilling on double-click in batch processing dialog
Other minor changes
[sextante]deleted ftool_utils
[sextante]Replaced provider.crs() by layer.crs(). Fixed memory layer usage