CHANGED: Settings are now stored in versioned sub-directories
ADDED: First-run dialog for migrating settings from a previous version
CHANGED: Settings are now stored as JSON files instead of wxConfig-style INI files
CHANGED: Color settings are now all stored in a separate settings file
CHANGED: The symbol editor and footprint editor now have their own settings files
CHANGED: Color settings are no longer exposed through BOARD object
CHANGED: Page layout editor now uses Eeschema's color scheme
Settings are now managed through a central SETTINGS_MANAGER held by PGM_BASE.
Existing settings will be migrated from the wxConfig format on first run of each application.
Per-application settings are now stored in one class for each application.
Since for this tool the only difference for different tolerances
is the 4th band, which is present for tolerance <= 2% and not
present for 10%/5%, reduce radio choices to those two groups for
clarity.
Fix a typo (4rd -> 4th) and rename one variable to make it
more descriptive as well.
Jon Evans
jean-pierre charras
Diego Herranz
Dick Hollenbeck