Add php 7.0 into travis

Author: michaelachrisco

.travis.yml

@@ -4,11 +4,18 @@ php:
   - 5.4
   - 5.5
   - 5.6
+  - 7.0
+  - hhvm
 
 before_install: echo "extension=ldap.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
 
 before_script:
   - travis_retry composer self-update
   - travis_retry composer install --prefer-source --no-interaction --dev
 
+matrix:
+ allow_failures:
+   - php: 7.0
+   - php: hhvm
+
 script: phpunit