add jack_samplerate man page, and update jack_bufsize

git-svn-id: svn+ssh://jackaudio.org/trunk/jack@3742 0c269be4-1314-0410-8aa9-9f06e86f4224

man/jack_bufsize.0

@@ -8,5 +8,7 @@ jack_bufsize \- JACK toolkit client to change the JACK buffer size
 jack_bufsize sets the size of the buffer (frames per period) used in JACK. 
 This change happens on-line (the JACK server and its clients do not need to be 
 restarted).
+.br
+When invoked without arguments, it prints the current bufsize, and exits.
 
 

man/jack_samplerate.0

@@ -0,0 +1,9 @@
+.TH JACK_SAMPLERATE "1" "!DATE!" "!VERSION!"
+.SH NAME
+jack_samplerate \- JACK toolkit client to print current samplerate
+.SH SYNOPSIS
+.B jack_samplerate
+.SH DESCRIPTION
+.B jack_samplerate prints the current samplerate, and exits.
+
+