v1.3.5

• improve performance
  • moving the photo isn't needed anymore
  • Preference Dialog is starting faster
  • other small improvements
• bugfixes
  • gphoto2 output in english to be able to detect camera model
  • verify 'photo folder' before using it
• add help button (open README on GitLab)
• update README (macOS installation, FAQ, Linux framebuffer, ...)
• provide README as a PDF (included in all release files)
• install bash script for Linux (included in Linux release files)
• remove submodule "gphoto2-updater"
• macOS deploy using zip instead of dmg
• remove binary translation files (build on the fly)