Updated zap dependency, deleted wrapper

zap 0.2.5 returns non-zero if tests fail, therefore the wrapper is not
required anymore to do a 'npm test' properly.

Cakefile

@@ -4,13 +4,6 @@ task 'build', 'continually build the JavaScript code', ->
   coffee = spawn 'coffee', ['-cw', '-o', 'lib', 'src']
   coffee.stdout.on 'data', (data) -> console.log data.toString().trim()
 
-task 'test', 'run the test suite', ->
-  # wrapper around zap to return nonzero if tests failed
-  exec 'zap', (err, stdout, stderr) ->
-    console.log stdout.trim()
-    if stdout.indexOf("\u001b[1;31mfailed\u001b[0m") != -1
-      process.exit 1
-
 task 'doc', 'rebuild the Docco documentation', ->
   exec([
     'docco src/xml2js.coffee'

package.json

@@ -26,7 +26,7 @@
     "lib": "./lib"
   },
   "scripts" : {
-    "test": "cake test"
+    "test": "zap"
   },
   "repository" : {
     "type" : "git",
@@ -37,7 +37,7 @@
   },
   "devDependencies" : {
     "coffee-script" : ">=1.0.1",
-    "zap" : ">=0.2.4-3",
+    "zap" : ">=0.2.5",
     "docco" : ">=0.3.0"
   }
 }