ci(circleci): add basic configuration

Author: char0n

circle.yml

@@ -0,0 +1,14 @@
+dependencies:
+  cache_directories:
+    - "~/.apt-cache"
+  pre:
+    - sudo rm -rf /var/cache/apt/archives && sudo ln -s ~/.apt-cache /var/cache/apt/archives && mkdir -p ~/.apt-cache/partial
+    - sudo apt-get update
+    - sudo apt-get install phpunit
+    - sudo add-apt-repository ppa:mc3man/trusty-media -y
+    - sudo apt-get update
+    - sudo apt-get install ffmpeg gstreamer0.10-ffmpeg
+
+test:
+  override:
+    - phpunit --bootstrap test/bootstrap.php test/