Add Travis Support

.travis.yml

@@ -0,0 +1,28 @@
+language: python
+
+sudo: false
+
+cache:
+    directories:
+        - $HOME/.cache/pip
+
+matrix:
+  include:
+    - python: 2.6
+      env: TOXENV=py26
+    - python: 2.7
+      env: TOXENV=py27
+    - python: 3.3
+      env: TOXENV=py33
+    - python: 3.4
+      env: TOXENV=py34
+    - python: 3.5
+      env: TOXENV=py35
+    - python: pypy
+      env: TOXENV=pypy PYPY_VERSION=5.1
+
+install:
+    - ./.travis/install.sh
+
+script:
+  - tox

.travis/install.sh

@@ -0,0 +1,17 @@
+# temporary pyenv installation to get latest pypy until the travis
+# container infra is upgraded
+if [[ "${TOXENV}" = pypy* ]]; then
+    git clone https://github.com/yyuu/pyenv.git ~/.pyenv
+    PYENV_ROOT="$HOME/.pyenv"
+    PATH="$PYENV_ROOT/bin:$PATH"
+    eval "$(pyenv init -)"
+    pyenv install "pypy-$PYPY_VERSION"
+    pyenv global "pypy-$PYPY_VERSION"
+
+    pip install --upgrade tox
+
+    pyenv rehash
+fi
+
+
+pip install --upgrade tox