Readme - TravisCI badge - update configuration file

.travis.yml

@@ -4,3 +4,9 @@ php:
   - 5.6
   - 7.1
   - nightly
+
+install:
+  - composer install
+
+script:
+  - php ./vendor/bin/phpunit

composer.json

@@ -2,7 +2,7 @@
     "name": "meritoo/common-library",
     "description": "Useful classes, methods, extensions etc.",
     "license": "MIT",
-    "version": "0.0.6",
+    "version": "0.0.7",
     "authors": [
         {
             "name": "Meritoo.pl",