Add option for toxcore logging in stderr

doc/toxic.1

@@ -78,6 +78,11 @@ instead of
 Show help message
 .RE
 .PP
+\-l, \-\-logging
+.RS 4
+Enable toxcore logging to stderr
+.RE
+.PP
 \-n, \-\-nodes nodes\-file
 .RS 4
 Use specified

doc/toxic.1.asc

@@ -40,6 +40,9 @@ OPTIONS
 -h, --help::
     Show help message
 
+-l, --logging::
+    Enable toxcore logging to stderr
+
 -n, --nodes nodes-file::
     Use specified 'nodes-file' for DHT bootstrap nodes instead of '~/.config/tox/DHTnodes.json'