Add puppet-ipaclient

The puppet-nova manifest file for novajoin references the
ipaclient module to register the undercloud node with IPA
by doing an ipa-client-install.  In order for the unit tests
to pass, puppet-ipa-client needs to be in the CI environment.

Change-Id: I8e9bd4ed859cc438a309d9a00dd278c65dbb822d

Puppetfile

@@ -154,6 +154,10 @@ mod 'sysctl',
   :git => 'https://github.com/duritong/puppet-sysctl',
   :ref => 'v0.0.11'
 
+mod 'ipaclient',
+  :git => 'https://github.com/joshuabaird/puppet-ipaclient',
+  :ref => '2.5.1'
+
 mod 'staging',
   :git => 'https://github.com/nanliu/puppet-staging',
   :ref => '1.0.4'

external_modules.txt

@@ -1,6 +1,7 @@
 antonlindstrom/puppet-powerdns
 camptocamp/puppet-kmod
 duritong/puppet-sysctl
+joshuabaird/puppet-ipaclient
 nanliu/puppet-staging
 puppetlabs/puppetlabs-apache
 puppetlabs/puppetlabs-apt