so that build will not fail if the directory was left during previous
builds.

  Using ServerAliases %{SERVER_NAME} would not cause a change of URL to something
  diferent them it was requested.

  A nicer form

because the recent version of paramiko (>= 2.0.0), that is a part of
slapos.toolbox's dependencies, depends on cryptography insead of
pycrypto.

Desactivate testing temporary.

This reverts commit 5656363a.

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.