Use http-server to serve specs and benchmarks to the browser

Previously, the instructions recommended using Python's SimpleHTTPServer
module, which created unnecessary dependency on Python.

benchmark/README.md

@@ -31,7 +31,7 @@ Running in the Browser
 All commands in the following steps need to be executed in PEG.js root directory
 (one level up from this one).
 
-  1. Make sure you have Node.js and Python installed.
+  1. Make sure you have Node.js installed.
 
   2. Install all PEG.js dependencies, including development ones:
 
@@ -48,9 +48,9 @@ All commands in the following steps need to be executed in PEG.js root directory
   4. Serve PEG.js root directory using a web server:
 
      ```console
-     $ python -m SimpleHTTPServer
+     $ node_modules/.bin/http-server
      ```
 
-  5. Point your browser to the [benchmark suite](http://localhost:8000/benchmark/index.html).
+  5. Point your browser to the [benchmark suite](http://localhost:8080/benchmark/index.html).
 
   6. Click the **Run** button and wait for results.

package.json

@@ -48,6 +48,7 @@
   "devDependencies": {
     "browserify": "11.2.0",
     "eslint": "1.10.3",
+    "http-server": "0.9.0",
     "jasmine-node": "1.14.5",
     "uglify-js": "2.4.24"
   },

spec/README.md

@@ -30,7 +30,7 @@ Running in the Browser
 All commands in the following steps need to be executed in PEG.js root directory
 (one level up from this one).
 
-  1. Make sure you have Node.js and Python installed.
+  1. Make sure you have Node.js installed.
 
   2. Install all PEG.js dependencies, including development ones:
 
@@ -47,9 +47,9 @@ All commands in the following steps need to be executed in PEG.js root directory
   4. Serve PEG.js root directory using a web server:
 
      ```console
-     $ python -m SimpleHTTPServer
+     $ node_modules/.bin/http-server
      ```
 
-  5. Point your browser to the [spec suite](http://localhost:8000/spec/index.html).
+  5. Point your browser to the [spec suite](http://localhost:8080/spec/index.html).
 
   6. Watch the specs pass (or fail).