add travis-ci build file

.travis.yml

@@ -0,0 +1,32 @@
+sudo: required
+dist: trusty
+language: python
+addons:
+  apt:
+    packages:
+    - python-gi
+    - python3-gi
+matrix:
+  include:
+    - python: "3.4"
+      env: TOXENV=py3
+    - python: "2.7"
+      env: TOXENV=py2
+virtualenv:
+  system_site_packages: true
+install:
+  - sudo apt-get -y install gir1.2-gstreamer-1.0 gir1.2-gst-plugins-base-1.0
+  - sudo apt-get -y install libgstreamer1.0-dev gstreamer1.0-plugins-good
+  - sudo apt-get -y install gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly
+  - sudo apt-get -y install software-properties-common
+  - sudo add-apt-repository -y "deb http://us.archive.ubuntu.com/ubuntu/ trusty universe multiverse restricted"
+  - sudo add-apt-repository -y "deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe multiverse restricted"
+  - sudo apt-get -y update
+  - sudo apt-get -y install ubuntu-restricted-extras
+  - pip install tox coveralls
+  - test/download_data.sh
+script:
+  - tox -e ${TOXENV}
+after_success:
+  - coveralls
+