added comment to example config to show usage of new sudo password asking option

Signed-off-by: Brian Coca <briancoca+ansible@gmail.com>

examples/ansible.cfg

@@ -46,6 +46,12 @@ poll_interval=15
 
 sudo_user=root
 
+# to force ansible to always ask for the sudo password (instead of having
+# to add -K to the commandline). Or you can use the enviornment
+# variable (ANSIBLE_ASK_SUDO_PASS)
+
+#ask_sudo_pass=True
+
 # connection to use when -c <connection_type> is not specified
 
 transport=paramiko