Add the daily PPA in Ubuntu when installing daily, not the stable PPA.
Clean-up the added PPA while running install tests.
Remove the Travis installed `libzmq1`.
Travis has the `libzmq3` not `libzmq1`.
In case the daemon was not found running, show all running processes in debug mode.
Don't forget `autoremove`
Allow turning on the debug output using `BS_ECHO_DEBUG` env var.
Enable debug output while running under travis.
Let's not have `printf` complaining.
Don't let `printf` complain about the passed strings.
Let's try to also output any existing logs.
Point to correct logs path.
Allow the user to set the `/etc/salt` directory path through an environment variable. Refs #85.

This is needed for example for BSD based installations for which the value should be `/usr/local/etc/salt`.
Merge pull request #92 from s0undt3ch/hotfix/configurable-etc-dir

Allow the user to set the `/etc/salt` directory path through an environment variable
Merge branch 'develop' of github.com:saltstack/salt-bootstrap into develop
Try to get more information out of the system when the daemons are not found running.
The `IFS` change did not work as expected.
Try to execute the installed binary for additional problematic information.
I don't give a @!#$! about Travis-CI ZeroMQ PPA.
Non-interactive!!!