Update puppet-keytone to most recent stable/havana

Fixes: rhbz#1113148

stackforge/puppet-keystone@ec5e802d642cc1502f98bc53621dd0f61198a586 enabling tokens flushing using cron
stackforge/puppet-keystone@15b56b33aeaa1c77717b5e8a566222d4ea2f267f Introduce keystone:config
stackforge/puppet-keystone@d7420ba56ff2b604d7a692d5cce4dfdde3cdef66 Release 3.2.0
stackforge/puppet-keystone@977da85213332a87c173ad0231a93568feaaa2e1 Add ability to configure any catalog driver
stackforge/puppet-keystone@ce49f6b6d9bb0e89e3e1e63a88a1d63d5a930851 ensure log_file is absent when using syslog
stackforge/puppet-keystone@220c6996b0fb394138f77ec95c37c540f2e9a6ba Release 3.1.1
stackforge/puppet-keystone@0abee1002ac01d61866d0e54e675192b65974793 Use correct variable for host_access dependency
stackforge/puppet-keystone@74629cfd45a37baab5629c8d497d14fdcf0b301d Release 3.1.0
stackforge/puppet-keystone@0f20da832eec6c67b2c5f47dce084ce5adbe5254 Fixed gate by Updating Gemfile to pin Rake to 10.1.1
stackforge/puppet-keystone@16cc64821201ad25765096239ba78839156cc82f Relax regex when keystone refuses connections
stackforge/puppet-keystone@9802add6566646dc1e4a2812d19c2ab4724ff594 Don't set keystone endpoint by default
stackforge/puppet-keystone@ac5f52d94e65a7c3c62160f24861f334330000a3 Add support to enable ssl keystone config