Merge pull request #13 from AlaaSarhan/8-configure-travis

fix travis branches configuration. add badges to readme

Author: AlaaSarhan

.travis.yml

@@ -31,5 +31,5 @@ script:
 
 branches:
   only:
-  - master
-  - next
+    - master
+    - next

README.md

@@ -1,5 +1,10 @@
 # php-flatten
 
+[![Latest Version](https://img.shields.io/github/release/AlaaSarhan/php-flatten.svg?style=flat-square)](https://github.com/AlaaSarhan/php-flatten/releases)
+[![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE)
+[![Build Status](https://travis-ci.org/AlaaSarhan/php-flatten.svg?branch=master)](https://travis-ci.org/AlaaSarhan/php-flatten)
+[![Total Downloads](https://img.shields.io/packagist/dt/sarhan/php-flatten.svg?style=flat-square)](https://packagist.org/packages/sarhan/php-flatten)
+
 A utility function to mainly flatten multidimensional-arrays and traversables into a one-dimensional array, preserving keys
 and joining them with a customizable separator to from fully-qualified keys in the final array.