Merge pull request #64 from paulrouget/doc-and-stuff

Doc and stuff

README.md

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+## Basic usage
+
+**DZSlides** is a **one-file** HTML template to build slides in HTML5 and CSS3.
+
+[template.html](/paulrouget/dzslides/blob/master/template.html) is the only file you need. Edit the file, add your content, change the style, and you're done. To see the slides in action, just load
+the file in your browser.
+
+## Features
+
+* Slides can include any HTML5 content (text, image, video, iframes, …);
+* Slides transitions are animated with CSS3 (sliding by default);
+* Resolution independent (slides are scaled according to the size of the browser. The virtual dimension is 800x600);
+* Fullscreen presentation (HTML5 FullScreen API supported) - press `f` to go fullscreen;
+* Incremental content;
+* Mobile Friendly (supports touch events).
+
+## Shells
+
+The features of DZSlides are intentionally limited to keep the template light
+and simple to understand. *Shells* are extensions that bring new features
+to your slides. Here, you'll find 2 shells:
+
+* `shells/embedder.html` to embed a presentation in a web page
+* `shells/onstage.html` to show your slides with a control panel
+
+To use them, just load the file in your browser, and follow the instructions.
+
+## Specifications
+
+When you press the `left` and `right` keys, you go forward and go back in your slides.
+But the slides can also respond to external messages. Messages can be sent through [postMessage](https://developer.mozilla.org/en/DOM/window.postMessage).
+So another web page can control the slides.
+
+### Procotol
+
+A `cursor` is a string of this form: `3.5`. The first number represent the current slide index. The second number represent the current sub-item index.
+
+Parameters must be escaped.
+
+***
+
+Messages a DZSlides page can receive:
+
+* `REGISTER` register the source of the message as a target to notify for any events;
+* `FORWARD` move forward in the slides;
+* `BACK` move back in the slides;
+* `START` move to the first slide;
+* `END` move to the last slide;
+* `SET_CURSOR cursor` jump to the cursor;
+* `GET_CURSOR` notify the source of the message of the current cursor;
+* `TOGGLE_CONTENT` toggle the current slide content;
+* `GET_NOTES cursor` notify the source of the message of the current notes content.
+
+Messages a DZSlides page can send:
+
+* `CURSOR cursor` sent to one target as a response to `GET_CURSOR`, and sent to all the registered target when updated;
+* `REGISTERED slides_title slides_count` sent to one target as a response to `REGISTER`;
+* `NOTES html_content` sent to one target as a response to `GET_NOTES`.
+
+***
+
+### Hash parameters
+
+* `url&para1=va1`
+
+Parameters a DZSlides page can have:
+
+* `autoplay` (integer, values : `0`/`1`, default : `1`) sets whether multimedia contents (audio, video) should be played automatically.
+