Release 2.3.0

• Fixed drawing with transparency
• Fixed drawing of text
• Added adjustable checkered background for transparency
• Interference add-on: added controls
• Color reducer add-on: fix crash of GLA mode
• Brush tool: new/improved controls
• Airbrush tool: Fixed spray mode
• Save/Restore Tools window icon arrangement
• Fixed save/restore floating window settings
• Move appropriate menu items to new "ArtPaint" menu
• General bug fixing (memory leaks etc.)
• GUI/Layout polishing
• Improved/updated localization
• Added/Updated translations: ca de en_GB fr nl pt tr
• Added ArtPaint project file icon
• New user manual