Correct markdown headings

README

@@ -1,5 +1,5 @@
-arbor.js
---------
+# arbor.js
+
 
 Arbor is a graph visualization library built with web workers and
 jQuery. Rather than trying to be an all-encompassing framework, arbor
@@ -15,8 +15,7 @@ that make your project unique – the graph data and your visual style
 – rather than spending time on the physics math that makes the
 layouts possible.
 
-Installation
-------------
+## Installation
 
 To use the particle system, add jquery and the file at lib/arbor.js
 to your path somewhere and include them in your html:
@@ -34,8 +33,7 @@ decide if this appeals to you or not).
   <script src="path/to/arbor-tween.js"></script>
 
 
-Getting Started
----------------
+## Getting Started
 
 The docs folder contains a sample project that demonstrates some of the
 basic idioms for working with the library to build a visualization. More
@@ -46,8 +44,7 @@ at arborjs.org. But since all of them use xhr to fetch their data, you'll
 still need to view them from an http server. If you don't have a copy of
 apache handy, use the demo-server.sh script to create a local server.
 
-Colophon
---------
+## Colophon
 
 Arbor’s design is heavily influenced by Jeffrey Bernstein’s excellent
 Traer Physics[1] library for Processing. In addition, much of the
@@ -62,14 +59,12 @@ code.
 [2] <https://github.com/dhotson/springy>
 [3] <http://arborjs.org/docs/barnes-hut>
 
-Contribute
-----------
+## Contribute
 
 Code submissions are greatly appreciated and highly encouraged. Please send
 pull requests with fixes/enhancements/etc. to samizdatco on github. The 
 oldschool may also pipe their diff -u output to [email protected].
 
-License
--------
+## License
 
-Arbor is released under the MIT license. http://en.wikipedia.org/wiki/MIT_License
+Arbor is released under the MIT license. http://en.wikipedia.org/wiki/MIT_License