Travis CI configuration fixes.

Author: remorhaz

.travis.yml

@@ -4,4 +4,8 @@ php:
   - '5.6'
   - '7.0'
 
+before_script:
+  - composer self-update
+  - composer install --prefer-source --no-interaction --dev
+
 script: phpunit

README.md

@@ -1,7 +1,8 @@
 PHP JSON Pointer
 ================
-This library allows usage of RFC-6901-compliant JSON pointers with PHP
- variables.
+[![Build Status](https://travis-ci.org/remorhaz/php-json-pointer.svg?branch=master)](https://travis-ci.org/remorhaz/php-json-pointer)
+
+This library allows usage of RFC-6901-compliant JSON pointers with PHP variables.
 
 #License
 PHP JSON Pointer is licensed under MIT license.
@@ -49,7 +50,7 @@ $result = $pointer
     ->setText($link)
     ->test();           // Sets $result to FALSE.
 
-// Treating PHP objects as arrays (not compliant with RFC6901, but
+// Treating PHP arrays as objects (not compliant with RFC6901, but
 // it's the only way to access non-numeric index in PHP array).
 $subData = ['g' => 2, 'h' => 3];
 $link = '/a/c/g';       // Link to non-numeric index of array.

phpunit.xml

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<phpunit bootstrap="vendor/autoload.php">
+<phpunit
+    bootstrap="vendor/autoload.php"
+    colors="true">
     <testsuites>
         <testsuite name="Library Test Suite">
             <directory>tests/</directory>