added a small coffeescript test

+# a small subset of the run.js written in coffeescript
+
+phantom.injectJs "casper.js"
+casper = new phantom.Casper(
+  faultTolerant: false
+  verbose: true
+)
+
+casper.start "tests/site/index.html", ->
+  @test.assertTitle "CasperJS test index", "Casper.start() casper can start itself an open an url"
+  @test.comment "fetching"
+  @test.assertEquals @fetchText("ul li"), "onetwothree", "Casper.fetchText() can retrieves text contents"
+  @test.comment "clicking"
+  @click "a[href=\"test.html\"]"
+
+casper.test.comment "then"
+casper.then ->
+  @test.assertTitle "CasperJS test target", "Casper.click() casper can click on a text link"
+  @click "a[href=\"form.html\"]"
+  
+casper.run()
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