Merge pull request airbnb#170 from chromakode/clarify-file-ending-newline

Clarify single newlines at the end of files.

Author: hshoff

README.md

@@ -777,7 +777,7 @@
     var x = y + 5;
     ```
 
-  - Place an empty newline at the end of the file.
+  - End files with a single newline character.
 
     ```javascript
     // bad
@@ -787,11 +787,18 @@
     ```
 
     ```javascript
-    // good
+    // bad
     (function(global) {
       // ...stuff...
-    })(this);
+    })(this);↵
+    ↵
+    ```
 
+    ```javascript
+    // good
+    (function(global) {
+      // ...stuff...
+    })(this);↵
     ```
 
   - Use indentation when making long method chains.