elaborate

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8243 d0543943-73ff-0310-b7d9-9358b9ac24b2

scripts/lua/helloworld.lua

-session:answer(); session:streamFile("blah.wav"); session:hangup();
+-- Simple answer and playback lua example
+session:answer();
+session:streamFile("blah.wav");
+session:hangup();