Update version to v4.1.5
Include messages, syslog, and debug in logrotate

These logs aren't caught by the *.log glob, so they must be
added invidually to the logrotate configuration.

Related: rcbops/chef-cookbooks#756
(cherry picked from commit ea4958ab9e6f3a8210e9b6fe070de6c87cc3cb21)
Merge pull request #21 from claco/issue-756

Merged automatically by jenkins after successful build test