[BACKPORT: 4.1.3; 4.2.1] Bug fixes and service start/restart re-ordering

* remove conntrack tools from the list of packages that
  need to be installed
* re-order start/restart so this works with the stock
  upstream keepalived package from RHEL
Merge pull request #29 from rackerjoe/master

Merged automatically by jenkins after successful build test
Merge pull request #30 from Apsu/v4.2.1rc

HA -- The Final Frontier
Restart on notify.sh changes.
Merge branch 'master' of github.com:rcbops-cookbooks/keepalived
Merge pull request #31 from willkelly/master

Merged automatically by jenkins after successful build test
Merge branch 'master' of github.com:rcbops-cookbooks/keepalived into v4.2.1rc
Reorder resources to make more sense.
Merge branch 'v4.2.1rc' of github.com:rcbops-cookbooks/keepalived into v4.2.1rc