add docs to push_stream_allowed_origins directive

README.textile

@@ -136,6 +136,7 @@ h1(#directives). Directives
 | "push_stream_last_received_message_tag":push_stream_last_received_message_tag |   - |   - |   x |   - |   - |   - |
 | "push_stream_user_agent":push_stream_user_agent |   - |   - |   x |   - |   - |   - |
 | "push_stream_padding_by_user_agent":push_stream_padding_by_user_agent |   - |   - |   x |   - |   - |   - |
+| "push_stream_allowed_origins":push_stream_allowed_origins |   - |   - |   x |   - |   - |   - |
 | "push_stream_websocket_allow_publish":push_stream_websocket_allow_publish |   - |   - |   - |   - |   - |   x |
 | "push_stream_store_messages":push_stream_store_messages |   - |   - |   - |   x |   - |   x |
 | "push_stream_keepalive":push_stream_keepalive |   - |   - |   - |   x |   x |   - |
@@ -251,4 +252,5 @@ h1(#contributors). Contributors
 [push_stream_store_messages]https://github.com/wandenberg/nginx-push-stream-module/blob/master/docs/directives/publishers.textile#push_stream_store_messages
 [push_stream_keepalive]https://github.com/wandenberg/nginx-push-stream-module/blob/master/docs/directives/publishers.textile#push_stream_keepalive
 [push_stream_channel_info_on_publish]https://github.com/wandenberg/nginx-push-stream-module/blob/master/docs/directives/publishers.textile#push_stream_channel_info_on_publish
+[push_stream_allowed_origins]https://github.com/wandenberg/nginx-push-stream-module/blob/master/docs/directives/subscribers.textile#push_stream_allowed_origins
 [push_stream_websocket_allow_publish]https://github.com/wandenberg/nginx-push-stream-module/blob/master/docs/directives/subscribers.textile#push_stream_websocket_allow_publish

docs/directives/subscribers.textile

@@ -253,4 +253,17 @@ h2(#push_stream_padding_by_user_agent). push_stream_padding_by_user_agent <a nam
 
 Set the minimum header size and minimum message size to each user agent who match the given expression. The value may be compound for many groups on the format _user-agent-regexp,header_min_size,message_min_size_ separate by a colon (_:_) .
 
+
+h2(#push_stream_allowed_origins). push_stream_allowed_origins <a name="push_stream_allowed_origins" href="#">&nbsp;</a>
+
+*syntax:* _push_stream_allowed_origins string_
+
+*default:* _none_
+
+*context:* _location (push_stream_publisher, push_stream_channels_subscriber)_
+
+*release version:* _0.3.4_
+
+Set the value used on the Access-Control-Allow-Origin header to allow cross domain requests by javascript.
+
 [eventsource_ref]http://dev.w3.org/html5/eventsource/