This recipe only created ~/.ssh/authorized_keys, so it should not return
the full ~/.ssh/ directory because uninstallation will delete "too
much".

@alain.takoudjou @rafael after machine was restarted yesterday, the keys I added in ~/.ssh/ of my webrunner were not here anymore. I think this is the reason, thanks for taking a look when you have time.

/reviewed-on nexedi/slapos!37

http://stackoverflow.com/a/10826085

/reviewed-on !54

Conflicts:
	CHANGES.txt
	setup.py

* no need to wait for 10 seconds of detection failure.
* libzmq can be used in other components.

* also disable lua explicitly. anyway lua 5.3 cannot be used with trafficserver 4.2.3.
* also cleanup.

FYI, at least following programs are currently referred in SRs :

- basename
- cat
- cp
- date
- dirname
- echo
- ls
- md5sum
- rm
- sort
- tail
- test
- tr
- uname

This software release install all git repositories, firefox, nginx and nodejs.
It configure jio/renderjs development environnment.
Finally, it provides a runTestSuite script to easily publish results in ERP5.

Firefox is controlled with Selenium WebDriver, to launch qunit tests and parse results.