Switch to "debian:jessie" as the base and add new "stable" variant
Merge pull request #21 from infosiftr/jessie

Switch to "debian:jessie" as the base
Fix "app" symlink creation over-aggression (.godir)
Merge pull request #23 from infosiftr/duplicating-app-symlink

Fix "app" symlink creation over-aggression (.godir)