Locate the binaries for a native library once during dependency resol…

…ution and reuse the result for all subsequent resolutions.

Make ShadedJar cacheable

+review REVIEW-6245

Register custom task property annotation handlers

This way plugins can register their own custom annotation handlers.

+review REVIEW-6241

Make Ad-hoc task non-cacheable by default

+review REVIEW-6240

Fix test

+review REVIEW-6090

Publish version 3.1 RC1

Revert "Process individual `CopySpec` inputs separately"

This reverts commit 3c7ff07.

Merge branch 'release'

Fix test

Make Checkstyle happy