Spike - experiment with log4php and sending data to Loggly

This branch experiments with:

1.  [Log4PHP](http://logging.apache.org/log4php/) - Replace the custom [class-api-con-mngr-log.php](https://github.com/david-coombes/api-connection-manager/blob/master/class-api-con-mngr-log.php) with Log4PHP
1.  Capture & log all WordPress events
1.  Write to several different appenders - the existing a text log file in ```uploads```, a HTML log file of the last request (very verbose), also in ```uploads``` and sending data to Loggly via Syslog over UDP