CC-2607: Ability to adjust stream bitrate,type,etc from the UI interface

- Modified "Descriptioin" to "Name/Description"
- mount point is not append with extension anymore
- fix on auto generated stream url
- name is used in shoutcast

python_apps/pypo/liquidsoap_scripts/ls_lib.liq

@@ -110,7 +110,8 @@ def output_to(output_type, type, bitrate, host, port, pass, mount_point, url, de
                     restart = true,
                     restart_delay = 5,
                     url = url,
-                    genre = genre)
+                    genre = genre,
+                    name = description)
          if bitrate == 24 then 
                 ignore(output.shoutcast(%mp3(bitrate = 24),s))
             elsif bitrate == 32 then