- script to generate a database to reproduce the bug
- no crash observed with qgis natural breaks (jenks)
- added warning and chance to cancel Natural break classification for
  dataset >50k records
- modified test script to generate gowing sizes tables (for timing)
refs #8045 Add unit tests for path passed from command line
refs #8045 Fix the way main() parse path names with special characters
refs #8045 Fix python plugin path encoding issues
- improved wraning msg, removed useless test
Fix crash in rule paste
Paste rule at the bottom if no selection
Server: option to set the maximum cached layers in environment variable MAX_CACHE_LAYERS
Fix scale informations in the WMS GetCapabilities
By default use the reference OGC dpi

Calculate from the OGC reference pixel size
Rule copy and paste shortcut keys
Add delete keyboard action for rules
move ftools utils to tools utils module
[Processing] added GRASS m.cogo
[processing] refactoring to move common functions to tools package
[processing] Added schema parameter to ImportIntoPostGIS.py
[processing] added progress display in qgsMessageBar
[processing] improved non-threaded execution
[processing]fixes in saga filename handling
fixed saga buffer description