Move to version 0.2

Initiate version 0.1.

Don't kill processes when making simple tasks

kill-pgroup: ignore already gone children (#13)

Update test spec

Adding the lpf-pkg-postun script.

kill-pgroup: ignore failed kills.

Sometimes lingering children are already killed although present
when listed (race conditions). This OK to ignore. Only kill
complete pgroup in (potentially) GUI commands.

Fix a bug in lpf-setup-pkg handling eula files.

Revise trap return codes