chore(closure-compiler): use bower to fetch closure compiler

this replaces the stale NPM dependency

bower.json

@@ -5,6 +5,7 @@
     "lunr.js": "0.3.1",
     "google-code-prettify": "1.0.0",
     "components-font-awesome": "3.1.0",
-    "bootstrap": "https://raw.github.com/twitter/bootstrap/v2.0.2/docs/assets/bootstrap.zip"
+    "bootstrap": "https://raw.github.com/twitter/bootstrap/v2.0.2/docs/assets/bootstrap.zip",
+    "closure-compiler": "https://closure-compiler.googlecode.com/files/compiler-20110615.zip"
   }
 }

lib/grunt/utils.js

@@ -125,7 +125,7 @@ module.exports = {
     shell.exec(
         'java ' +
             this.java32flags() + ' ' +
-            '-jar node_modules/closure-compiler/lib/vendor/compiler.jar ' +
+            '-jar components/closure-compiler/compiler.jar ' +
             '--compilation_level SIMPLE_OPTIMIZATIONS ' +
             '--language_in ECMASCRIPT5_STRICT ' +
             '--js ' + file + ' ' +

package.json

@@ -12,7 +12,6 @@
     "grunt-contrib-copy": "0.4.1",
     "grunt-shell": "~0.2.2",
     "jasmine-node": "1.2.3",
-    "closure-compiler" : "0.2.0",
     "q": "~0.9.2",
     "q-fs": "0.1.36",
     "qq": "0.3.5",