fix #4534
editing parameters in modeler now remembers previous values
code cleaning
modified grass postprocessing and edited grass description
sextante file dialog now remembers last used folder
Merge branch 'master' of https://github.com/qgis/Quantum-GIS
remove item QgsInterface from import class menu in python console
since a369ed0 it is no longer necessary to import iface object
Merge pull request #385 from slarosa/pyqgis-console

remove item QgsInterface from import class menu in python console
fix sip binding of QgsCredentials::get() (always returned true; partly rolls back dcf3ede)
prepare-commit.sh: remove trailing blanks from python files
german translation update
prepare-commit.sh: remove trailing blanks from python files
Merge pull request #378 from slarosa/ftools_split_vector

fix #4534
Add stop/start and user default option for timeout of timed QgsMessageBars

- Add pause/start icons to timeout countdown progress bar
- Add user-defined option for general message timeouts
- [API] Add get/set methods for general message timeouts to QgisApp