… of web interface, and adds loc.json pull to retrieve home or lat/lon details.

- Add plane path projection (with supporting calls)
- Add plane projection animation
- Show data retrieval heartbeat in UI
- Add ICAO lookup via airframes.org
- Refines cardinality fetch (bearing to compass ref)
- Adds bearing-to-selected-plane
- Adds sweep line to selected plane (helpful when off-screen)
- Standardizes whitespace
- W3C validation for HTML5 corrections
- Add configuration options (to config.js) for new features (defaults to on)
- Several small bug fixes (boundary checking, variable spelling, and performance enhancements)

…rough environmental reference (e.g., run dump1090 anywhere and serve a specific set of files as defined by DUMP1090_WEB environment variable).

…ble memory leaks)

Add brief "--home" argument description in readme.