Add Travis config file

Author: mikehaertl

.travis.yml

@@ -0,0 +1,16 @@
+language: php
+php:
+  - "7.1"
+  - "7.0"
+  - "5.6"
+  - "5.5"
+  - "5.4"
+  - "5.3"
+  - "hhvm"
+
+install:
+  - sudo apt-get update
+  - travis_retry composer self-update && composer --version
+  - travis_retry composer global require --no-progress "fxp/composer-asset-plugin:^1.2.2"
+  - export PATH="$HOME/.composer/vendor/bin:$PATH"
+  - travis_retry composer install --prefer-dist --no-interaction --no-progress

CHANGELOG.md

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+# CHANGELOG
+
+## 1.0.0
+
+Initial release.