Use the common logger for consistent log output for some echo statements
that were not making use of it.
Change-Id: I7fae2a950318f5cd3245a4571dc464009726d4ae
Avoid filename collision between limits and sysctl module.
Bugfix for sysctl to print reverted setting before it's deleted.
Change-Id: I31269c413f884a25ecf3588b52677ca427b4c082
1) 'Values' configures limit settings to be persisted.
2) Previous DivingBell controlled limits those were set
but now are gone are cleared.
3) Previous values of newly set limits are backed up
to /var/divingbell/limits
4) New limit is applied via adding a separate conf file
to /etc/security/limits.d
5) The Doc is updated with appropriate details.
6) Dev env with Vagrant
7) Increase number of expected DaemonSets in 020-test
8) Demo: https://asciinema.org/a/209619
Change-Id: I5efb39c498c2b666b4ba97271b59757f4a0c1ca7
Anderson, Craig (ca846m)