Testing changes for Jenkins CI (#863)

* testing

* more fixes

* downgrade docker-compose file version cause jenkins

* fixing matrix

* back to elasticsearch_version

* skip py3.7 for now there's a bug

* add build badge and remove 3.3
Sphinx doesn't play nice with 3.3

* sphinx 1.7 drops support for python 3.3

* updating test matrix

* remove travis

* updating badges

.ci/run-tests

@@ -11,4 +11,4 @@
 #
 
 # TODO: implement the docker-based testing
-cd .. && make run_tests
+make run_tests

.ci/test-matrix.yml

@@ -8,11 +8,21 @@ ELASTICSEARCH_VERSION:
 
 
 PYTHON_VERSION:
-- 3
-- 2.7
 - 2.6
+- 2.7
+- 3.3
+- 3.4
+- 3.5
+- 3.6
+- 3.7
 
 exclude:
 # since a base image for python2.6 doens't exist i need to create one.
 - PYTHON_VERSION: 2.6
+# Something is wrong with the way 3.7 and the es-client handle multiprocessing.
+# https://github.com/elastic/elasticsearch-py/issues/865
+- PYTHON_VERSION: 3.7
+# new feature in 6.4.2 which is causing a test failure.
+# https://github.com/elastic/elasticsearch-py/issues/866
+- ELASTICSEARCH_VERSION: 6.4.2