* pass: better initialization check
* Add instructions for pass helper configuration
* Bump 0.6.0
* Fix Makefile issues * mkdir fails when `bin` exists * obtaining golint fails if previously installed (w/out the -u flag)
* fix test
* return "" instead of an error when pass isn't present
* pass backend: expose pass initialized flag
* add a deb package for pass/secret service backends
* A new entry point for calling the cred helpers that allow passing environment variables
OBS-URL: https://build.opensuse.org/package/show/Virtualization:containers/docker-credential-secretservice?expand=0&rev=3