Mint Device Screensaver 0.10.5

• Added selectable Adwaita and GNOME Colors icon sets.
• Added icon set selection to the GTK settings application.
• Added icon scaling adjustments for different icon sets.
• Added GNOME Colors icon theme as a Debian package dependency.
• Updated documentation and development state for the release.

Full Changelog: v0.10.4...v0.10.5