Split out content log file name logic
Add config to enable content log, on by default
Fix broken semicolon
Add some basic testing for content_log
Test content_log enable/disable logic
Add method to exclude messages from content log
Rename enable_content_log to content_log_enabled
content_log_enabled: Accept multiple 'true' values
Add POD for content_log plugin
Merge pull request #161 from jaredj/configurable-content-log

content_log configurability and testing