sl(k): docs extension, merge README

(cherry picked from commit 45af92ac46a1948b65133d78baaac046e2f7eb78)

modules_k/sl/README

@@ -27,6 +27,7 @@ Bogdan Iancu
         1.3. Exported Parameters
 
               1.3.1. enable_stats (integer)
+              1.3.2  bind_tm (integer)
 
         1.4. Exported Functions
 
@@ -113,6 +114,18 @@ Chapter 1. Admin Guide
    Example 1.1. enable_stats example
 modparam("sl", "enable_stats", 0)
 
+1.3.1. bind_tm (integer)
+
+   If the module should use transaction support for sending the 
+   replies. A zero value means disabled.
+   
+   Module tm should be loaded before of this one
+
+   Default value is 1 (enabled).
+
+   Example 1.1. bind_tm example
+modparam("sl", "bind_tm", 0)
+
 1.4. Exported Functions
 
 1.4.1.  sl_send_reply(code, reason)

modules_k/sl/doc/sl_admin.xml

@@ -55,7 +55,8 @@
 			<itemizedlist>
 			<listitem>
 			<para>
-				<emphasis>No dependencies on other &kamailio; modules</emphasis>.
+				<emphasis>TM - transaction module</emphasis>, if you want
+				to use the transactional send_reply functionality.
 			</para>
 			</listitem>
 			</itemizedlist>