Update changelog, update man

ChangeLog

@@ -54,6 +54,7 @@ Version 4.5.1.2 'dan Eider':
 	- change Diffie Hellman default key length from 1066 to 2066
 	- merge PR #522 drop of supplementary group IDs (by weberhofer)
 	- merge PR #514 Unify spelling of Coturn (by paulmenzel)
+	- merge PR#506 Rename "prod" config option to "no-software-attribute"
 
 02/03/2019 Oleg Moskalenko <[email protected]> Mihály Mészáros <[email protected]>
 Version 4.5.1.1 'dan Eider':

man/man1/turnserver.1

@@ -234,10 +234,8 @@ Extra verbose mode, very annoying and not recommended.
 .B
 \fB\-o\fP, \fB\-\-daemon\fP
 Run server as daemon.
-.TP
-.B
-\fB\-\-no-software-attribute\fP
-Do not send the software version. Should be used in production.
+.PP
+\fB\-\-no\-software\-attribute\fP Production mode: hide the software version.
 .TP
 .B
 \fB\-f\fP, \fB\-\-fingerprint\fP