Log Message:
jo: Update to 1.2

Patch submitted by Frederic Cambus, who takes maintainership.

Upstream changelog
==================

2018-12-10 1.2

    NEW: Dockerfile (#76)
    UPD: add examples of empty arrays/objects to manual (#74)
    NEW: support -e to ignore empty stdin; contributed by Robi Karp
    NEW: object-path support (#57)