Add php 7.0 and 7.1 for scrutinizer and travis.

Author: bruli

.scrutinizer.yml

@@ -1,7 +1,7 @@
 build:
   environment:
     php:
-      version: 5.6, 5.7
+      version: 5.6, 5.7, 7.0, 7.1
   tests:
     override:
       -

.travis.yml

@@ -3,6 +3,7 @@ language: php
 php:
   - '5.6'
   - '7.0'
+  - '7.1'
 
 before_script:
   - composer self-update