Fix broken link to tooling strategy

should link to resources/tooling-strategy.html

Author: robdodson

README.md

@@ -14,6 +14,6 @@ Polymer is based on a set of future technologies, including [Shadow DOM](https:/
 
 ## Tools & Testing
 
-For running tests or building minified files, consult the [tooling information](http://polymer-project.org/tooling-strategy.html).
+For running tests or building minified files, consult the [tooling information](http://polymer-project.org/resources/tooling-strategy.html).
 
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