updated homebrew location in docs

.travis.yml

@@ -1,5 +1,7 @@
 language: node_js
 node_js:
+  - "5"
+  - "4"
   - "0.12"
 after_success:
   - gulp coveralls

docs/en/advanced-concepts/ios-webkit-debug-proxy.md

@@ -11,7 +11,7 @@ Homebrew, run the following commands in the terminal:
 
  ``` center
  # The first command is only required if you don't have brew installed.
- > ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go/install)"
+ > ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
  > brew update
  > brew install ios-webkit-debug-proxy
  ```