Adding travis integration

Author: romaninsh

.travis.yml

@@ -0,0 +1,36 @@
+language: php
+
+php:
+    - '5.5'
+    - '5.6'
+    - '7.0'
+    - '7.1'
+
+#services:
+#    - mysql
+
+before_script:
+    - composer install
+#    - mysql -e 'create database dsql_test;'
+
+after_script:
+    - echo $TRAVIS_PHP_VERSION
+    - if [[ ${TRAVIS_PHP_VERSION:0:3} == "7.0" ]]; then echo "Sending coverage report"; vendor/bin/test-reporter; fi
+
+script:
+    - if [[ ${TRAVIS_PHP_VERSION:0:3} != "7.0" ]]; then NC="--no-coverage"; fi
+    - ./vendor/phpunit/phpunit/phpunit $NC
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+notifications:
+    urls:
+      - https://webhooks.gitter.im/e/b33a2db0c636f34bafa9
+
+    on_success: change  # options: [always|never|change] default: always
+    on_failure: always  # options: [always|never|change] default: always
+    on_start: never     # options: [always|never|change] default: always
+
+    email: false