Don't specify absolute path to keystone-manage
Don't specify absolute path to keystone-manage

packaging installs it to a different path then the traditional
element

Change-Id: I2e7a15f148f33cf421c7b11ede7c512eb8a62280

agroup/tripleo-puppet-elements,agroup/tripleo-puppet-elements,agroup/tripleo-puppet-elements,agroup/tripleo-puppet-elements