smooth v0.9.2

smooth alpha 0.9.2

• string.cpp
  • fixed compatibility issues with Windows 10 UTF-8 codepage beta setting
• windowxlib.cpp
  • fixed a crash when placing a text cursor on some systems without an input manager
• windowgdi.cpp
  • fixed mouse events still arriving at parent window after opening popup menu
• driver_ansi.cpp
  • fixed issues with setting buffer size on macOS
• backendwin32.cpp
  • added support for Windows 10 dark mode
• backendhaiku.cpp
  • set locale to user default at startup
• button.cpp
  • draw icons in gray when buttons are disabled
• messagebox.cpp
  • also look for icons in path relative to application directory
  • fixed text placement when no icon is available

Other changes

• added a Makefile target for code signing
• upgraded libjpeg to version 9d