Release 1.4.0rc1 (EMI-3).
* Package the IGTF CA certificates check script.
* Import check_arcservice probe (NorduGrid ticket 1983).
* Let check_arcinfosys output useful info about middleware and queues.
* Add --check-contact option to the ARIS probe.
* Improve configuration examples and comments and include them in the
documentation. Also, instead of installing a default arcnagios.ini,
include the configuration examples as documentation for the main package.
* Minor build fix.