travis: added PHP 7.0

Author: dg

.travis.yml

@@ -4,11 +4,15 @@ php:
     - 5.4
     - 5.5
     - 5.6
+    - 7.0
     - hhvm
+    - hhvm-nightly
 
 matrix:
     allow_failures:
+        - php: 7.0
         - php: hhvm
+        - php: hhvm-nightly
 
 script:
     - vendor/bin/tester tests -s -p php -c tests/php-unix.ini