ulna-r0

Introduces GPU accelerated extensions, starting with Ellipsoid Factor, and a payment mechanism.

What's Changed

• Prepare for first BoneJ+ release, with bonej-plus 0.0.3 by @mdoube in #358
• Use bonej-plus jars from bonej-plus repo during CI builds by @mdoube in #366
• Extract the bonej-plus version from the plugins pom.xml for CI build by @mdoube in #368

Full Changelog: bonej-7.0.22...bonej-7.1.0