Recent nightly build [224]

Recent version of the develop branch, ready for testing

What's Changed

• fix brush for links by @XanatosX in #70
• Fix wrong translation on loading strings by @XanatosX in #69
• Add application icon by @XanatosX in #64
• Fix modal window not reopnable after minimizing app via tray by @XanatosX in #71
• Extend readme with color themes by @XanatosX in #73

Full Changelog: Develop-219...Develop-224