* The recently merged aodh role is trying to copy api_paste.ini on startup
which is already present at build time.
* memcache_servers was using incorrect for loop syntax
Note, the trim_blocks header is to solve the issue highlighted by
Jeffrey[0]
[0] http://lists.openstack.org/pipermail/openstack-dev/2016-September/103532.html
Change-Id: I8baa5446b3b6271d57d54c4c1663a338d8ab3cc8
Closes-Bug: #1624462
Useful for upgrade etc., which is preferablly done serially.
Example usage: tools/kolla-ansible deploy OR tools/kolla-ansible upgrade
Closes-Bug: #1576708
DocImpact
Change-Id: I34b2e16f8ce53e472a4682a4738c4ac0f5abf00c