Drawing 0.6.2

• add keyboard shortcuts for increasing and decreasing the tool width (#242)
• ensure all features are available with all layouts (e.g. "reload" with Cinnamon and eOS)
• suggest to reload when the file has been saved without transparency
• new 'copy to clipboard' action (#234)
• new "paint over the entire image" option to the paint tool
• fix Debian Buster (and PureOS Amber) support (#275)
• add option for the 'highlighter' tool to highlight on dark background
• update several translations