v1.6.0

Elite Trader v1.6.0 — logo, app icon & smarter exobio routes

🎨 A proper logo and app icon

Elite Trader now has a real brand mark — an Elite-style HUD hexagon with an
ascending trade-route glyph — so the app gets a proper taskbar/window icon and a
matching logo and favicon.

🧬 Exobiology route: closest results, however far — never empty

The Guides tab's exobiology route finder no longer stops at a small radius. It
now searches outward as far as needed to find the nearest qualifying worlds, so a
route can span well beyond the old ~20 ly reach. And if nothing nearby meets your
value/gravity filters, it relaxes them and shows the closest bio worlds anyway
(with a note) instead of returning no results.

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Run from source (run.bat / run.sh) or grab the attached EliteTrader.exe
(no Python needed). On the packaged app, updates install in place — click
Update & restart when it appears.

Full Changelog: v1.5.1...v1.6.0