Delete all torrents except magnets when changing data dir

Console: Use same color for visted links (dark theme)

See merge request !183

add to top-level ant test target (was only run on gradle side)

Implement server-side HTTP persistence (keepalive) for the i2p socket

See merge request !181

and add note about public key high bit

Susimail: Add support for HTML email

See merge request !177

Implement client-side HTTP persistence (keepalive) for the browser-to-client proxy socket

See merge request !176

to assist in DoH server list maintenance

to detect corrupted sigs and prevent RSA fault attack
ref: https://eprint.iacr.org/2023/1711.pdf

Build: Update gradle to 8.5

See merge request !180

Transport: SSU1 removal part 2/n

See merge request !179

Console: Update rrd4j to version 3.9

See merge request !178

Without the ALLOW_UNASSIGNED flag, it will not decode to codepoints
newer than Unicode 3.2 (2002)

i2psnark: Add js drag-n-drop

See merge request !165