Now using JDK 14.0.2+12, JavaFX 15.0.1

Fixed JavaFX thread issue that broke startup
i2p-zero v1.20 release ready

v1.19 release, SHA-256 hashes updated in readme

upgrade to i2p 0.9.47, switch to json.org library to prevent library …

…clash with i2p changes, i2p-zero version 1.18 release

v1.17 release candidate

jdk download url fix
added docker build instructions
fixed mac launch
fixed relative paths

v1.16 version bump

replace "--proxy" with "--tx-proxy" in mipseed instructions
revert to older jdk13_33 to fix windows gui dll issue

v1.15 Reproducible build SHA-256 hashes

build size readme update

v1.13 upgrade to commons-compress-1.19.jar, upgrade to java 13 which …

…will release memory to OS when not in use

v1.12 sha256 update

readme update