Adds taskmanager_manager = trove.taskmanager.manager.Manager
Adds taskmanager_manager = trove.taskmanager.manager.Manager

- User reports this is needed for apt-based installs; so adding it to all
even if distro has this correct

Change-Id: I7ce4eb2fe3210bf820a622200bf027abf8a177cc
Closes-bug:1369119

saeki-masaki/openstack-manuals,saeki-masaki/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,kairoaraujo/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,potsmaster/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,gongysh2004/openstack-manual,Akasurde/openstack-manuals,openstack/openstack-manuals,gongysh2004/openstack-manual,kairoaraujo/openstack-manuals,potsmaster/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,Akasurde/openstack-manuals