Import Debian changes 0.3.3-1

.github/workflows/ci.yml

.travis.yml

CONTRIBUTING.md

Makefile

README.md

actions/config.go

actions/context.go

actions/context_test.go

actions/policy.go

actions/policy_test.go

actions/protector.go

actions/protector_test.go

actions/recovery.go

actions/recovery_test.go

cli-tests/common.sh

cli-tests/run.sh

cli-tests/t_change_passphrase.sh

cli-tests/t_encrypt.out

cli-tests/t_encrypt_custom.out

cli-tests/t_encrypt_login.out