This commit conditionally allows the os_aodh role to
install build and deploy within a venv. This is the new
default behavior of the role however the functionality
can be disabled.
Change-Id: I9f9e09b2a68e843da1d92a782cd29fc563379a6d
Implements: blueprint enable-venv-support-within-the-roles
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
b0cdb0de46