CircleCI config (#108)

* Rebase to latest version

* Update CircleCI config to do tests in various platform

* Remove venv config from config.yml

* Fix permission problem

* Run e2e test in multi platform

* Fix bug and add workflow

* Update badge to CircleCI

Author: dailycoding

.circleci/config.yml

@@ -0,0 +1,51 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/python:2.7.15-stretch
+    steps:
+      - checkout
+      - run: pip install --user .
+      - run: make test
+
+  test_27:
+    docker:
+      - image: circleci/python:2.7.15-stretch
+    steps:
+      - checkout
+      - run: pip install --user .
+      - run: make e2e_test
+
+  test_34:
+    docker:
+      - image: circleci/python:3.4.8-jessie-node
+    steps:
+      - checkout
+      - run: pip install --user .
+      - run: make e2e_test
+
+  test_35:
+    docker:
+      - image: circleci/python:3.5.5-jessie
+    steps:
+      - checkout
+      - run: pip install --user .
+      - run: make e2e_test
+
+  test_36:
+    docker:
+      - image: circleci/python:3.6.5-jessie
+    steps:
+      - checkout
+      - run: pip install --user .
+      - run: make e2e_test
+
+workflows:
+  version: 2
+  build_and_test:
+    jobs:
+      - build
+      - test_27
+      - test_34
+      - test_35
+      - test_36

README.md

@@ -1,7 +1,7 @@
 analytics-python
 ==============
 
-[![Build Status](https://travis-ci.org/segmentio/analytics-python.svg?branch=master)](https://travis-ci.org/segmentio/analytics-python)
+[![Build Status](https://secure.gravatar.com/avatar?s=60)](https://circleci.com/gh/segmentio/analytics-python)
 
 analytics-python is a python client for [Segment](https://segment.com)