Add kafka 0.10.2.1 into integration testing version (dpkp#1096)

* Add kafka 0.10.2.1 into integration testing version
* Disable tests for python 2.6 and kafka 0.8.0 and 0.8.1.1
* Remove references to python 2.6 support

Author: jianbin-wei

setup.py

@@ -24,8 +24,6 @@ def run(cls):
 
 
 test_require = ['tox', 'mock']
-if sys.version_info < (2, 7):
-    test_require.append('unittest2')
 
 here = os.path.abspath(os.path.dirname(__file__))
 

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{26,27,34,35,36,py}, docs
+envlist = py{27,34,35,36,py}, docs
 
 [pytest]
 testpaths = kafka test
@@ -19,17 +19,12 @@ deps =
     python-snappy
     lz4
     xxhash
-    py26: unittest2
 commands =
     py.test {posargs:--pylint --pylint-rcfile=pylint.rc --pylint-error-types=EF --cov=kafka --cov-config=.covrc}
 setenv =
     PROJECT_ROOT = {toxinidir}
 passenv = KAFKA_VERSION
 
-[testenv:py26]
-# pylint doesn't support python2.6
-commands = py.test {posargs:--cov=kafka --cov-config=.covrc}
-
 [testenv:pypy]
 # pylint is super slow on pypy...
 commands = py.test {posargs:--cov=kafka --cov-config=.covrc}