Update README.markdown

Added paragraph specifying that git and node-git are a requirement. Are there any other requirements?

README.markdown

@@ -4,7 +4,7 @@ This is a community supported blog about how to program in nodejs.
 
 This is powered by a new static blog engine written in node called [wheat][].
 
-To run a local version of the blog, simply install [wheat][] and it's dependencies, node.JS v0.1.101 or later.
+To run a local version of the blog, simply install [wheat][] and it's dependencies, node.JS v0.1.101 or later. Git needs to be installed too as [wheat][] uses a node package called [node-git][]
 
 If you have [spark][] installed, just type `spark` in this directory.  If not, append `.listen(3000)` right before the closing semicolon and run it with `node app.js`
 
@@ -13,6 +13,7 @@ You can get a working wheat environment out of the box with [ivy][].
 [wheat]: http://github.com/creationix/wheat
 [ivy]: http://github.com/creationix/ivy
 [spark]: http://github.com/senchalabs/spark
+[node-git]: http://github.com/creationix/node-git
 
 ## Contributing
 
@@ -63,4 +64,4 @@ More docs to come soon...
 
 ## Licensing
 
-All articles are copyright to the individual authors.  Authors can put notes about license and copyright on their individual bio pages if they wish.
+All articles are copyright to the individual authors.  Authors can put notes about license and copyright on their individual bio pages if they wish.