add travis config

.travis.yml

@@ -0,0 +1,35 @@
+language: php
+php:
+  - 5.4
+  - 5.5
+  - 5.6
+  - 7
+  - hhvm
+
+matrix:
+  fast_finish: true
+  allow_failures:
+    - php: hhvm
+
+#env:
+  #matrix:
+    #- LOWEST_DEPS=""
+    #- LOWEST_DEPS="--prefer-lowest"
+
+#services:
+#  - mysql
+
+sudo: false
+
+before_script:
+  # - mysql -e 'create database egroupware'
+  - rm -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini
+  #- composer update --prefer-source $LOWEST_DEPS
+
+script:
+  - find . -name "*.php" | xargs -n1 php -l
+  #- ./vendor/bin/sabre-cs-fixer fix . --dry-run --diff
+
+cache:
+  directories:
+    - $HOME/.composer/cache