check_uptodate.sh fails because host is real fqdn, not "ironic"

[aeva black]

Some pep8 test runs are failing because tools/config/generate_sample.sh is placing the Jenkins' instances' real FQDN in the ironic.conf.sample file, rather than the expected default value of "ironic".

Example from
  http://logs.openstack.org/95/72495/5/check/gate-ironic-pep8/d851f54/console.html

2014-02-20 16:38:00.458 | /home/jenkins/workspace/gate-ironic-pep8$ /home/jenkins/workspace/gate-ironic-pep8/tools/config/check_uptodate.sh
2014-02-20 16:38:01.332 | --- /tmp/ironic.X2Wnte/ironic.conf.sample 2014-02-20 16:38:01.299590458 +0000
2014-02-20 16:38:01.333 | +++ etc/ironic/ironic.conf.sample 2014-02-20 16:32:23.953367470 +0000
2014-02-20 16:38:01.333 | @@ -92,7 +92,7 @@
2014-02-20 16:38:01.333 | # not necessarily a hostname, FQDN, or IP address. However,
2014-02-20 16:38:01.334 | # the node name must be valid within an AMQP key, and if using
2014-02-20 16:38:01.334 | # ZeroMQ, a valid hostname, FQDN, or IP address (string value)
2014-02-20 16:38:01.334 | -#host=bare-precise-hpcloud-az3-1470542.novalocal
2014-02-20 16:38:01.334 | +#host=ironic
2014-02-20 16:38:01.335 |
2014-02-20 16:38:01.335 |
2014-02-20 16:38:01.335 | #
2014-02-20 16:38:01.370 | check_uptodate.sh: ironic.conf.sample is not up to date.
2014-02-20 16:38:01.371 | check_uptodate.sh: Please run /home/jenkins/workspace/gate-ironic-pep8/tools/config/generate_sample.sh.
2014-02-20 16:38:01.372 | ERROR: InvocationError: '/home/jenkins/workspace/gate-ironic-pep8/tools/config/check_uptodate.sh'