- 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 scale informations in the WMS GetCapabilities
By default use the reference OGC dpi

Calculate from the OGC reference pixel size
Use scale parameter to display concerned class
Fix class name
[FEATURE] new Scintilla-based script editor for Processing
[processing] start work on R lexer
fix rebase issues
use default style for R code
add compiled .ui file
fix rebase conflicts
[processing] Reduced number of conversion operation when running saga algorithms
[processing] cleaned up options (threaded execution and table-like parameters dialog
[processing] saga import/export optimization
fix 56ba1d74d