Changed FormatNamedFileHandler to ConfigurableSyslogHandler
Changed FormatNamedFileHandler to ConfigurableSyslogHandler

The auditHandler had a leftover reference to a fileHandler, when this should really be SyslogHandler.

Also removed jsonFormatter, as the syslogHandler should use syslogVerboseFormatter
pixelrebel/st2,lakshmi-kannan/st2,StackStorm/st2,emedvedev/st2,Plexxi/st2,emedvedev/st2,Plexxi/st2,punalpatel/st2,lakshmi-kannan/st2,pixelrebel/st2,lakshmi-kannan/st2,pixelrebel/st2,nzlosh/st2,StackStorm/st2,nzlosh/st2,punalpatel/st2,nzlosh/st2,peak6/st2,emedvedev/st2,Plexxi/st2,StackStorm/st2,StackStorm/st2,tonybaloney/st2,tonybaloney/st2,Plexxi/st2,tonybaloney/st2,nzlosh/st2,punalpatel/st2,peak6/st2,peak6/st2