set cursor for mapTools
Merge pull request #681 from 3nids/maptoolcursor

set cursor for mapTools
enable/disable raster tools (fixes #8179)
use QFileDialog.getOpenFileNameAndFilter variant when setting last filter (fixes #8138)
[Plugin Installer] Follow up 619558dabc
new spatialite layer: don't assume epsg id and qgis srsid are the same (fixes #8041)
Merge branch 'master' of https://github.com/qgis/Quantum-GIS into ja_ts_20
execute update_ts_file.sh