Fix support for analyze_logs, which wasn't working due to the
immutable variable problems with how Puppet uses ERB.  Restructure
the template to not precalculate the results, group lines for a
particular log together, and format everything a bit better.

Make the script executable, test analyze_logs, and fix for to_s
on an array no longer resulting in a good template string.

This is the (old) master branch along with the fixes to the
cron file permissions that Russ made.