Added IM and composition indication, and tested

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@268 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip/src/pjsua-lib/pjsua_core.c b/pjsip/src/pjsua-lib/pjsua_core.c
index 4b8b763..081a3a8 100644
--- a/pjsip/src/pjsua-lib/pjsua_core.c
+++ b/pjsip/src/pjsua-lib/pjsua_core.c
@@ -509,6 +509,10 @@
 
     pjsua_pres_init();
 
+    /* Init out-of-dialog MESSAGE request handler. */
+
+    pjsua_im_init();
+
 
     /* Init media endpoint: */