gh-19: create authorized keys if it does not exist
gh-19: create authorized keys if it does not exist

OpenNebula/addon-context-linux,puppetmaster/addon-context-linux,puppetmaster/addon-context-linux,baby-gnu/addon-context-linux,OpenNebula/addon-context-linux,fasrc/addon-context-linux,fasrc/addon-context-linux,baby-gnu/addon-context-linux