Travis: only test checkqa for main python versions (2.7, 3.4)

Author: blueyed

generate_configurations.py

@@ -175,7 +175,8 @@ def find_and_add(variations, env_getter):
 
 def make_tox_ini(envs, default_envs):
     default_env_names = ([testenv_name(env) for env in default_envs] +
-                         ['checkqa-%s' % python_version for python_version in PYTHON_VERSIONS])
+                         ['checkqa-%s' % python_version for python_version in
+                          PYTHON_MAIN_VERSIONS])
 
     contents = [dedent('''
         [tox]

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = pypy-master-sqlite_file,pypy3-master-sqlite_file,python2.6-1.6-sqlite_file,python2.7-1.3-sqlite_file,python2.7-1.4-sqlite_file,python2.7-1.5-sqlite_file,python2.7-1.6-sqlite_file,python2.7-1.7-sqlite_file,python2.7-1.8-sqlite_file,python2.7-master-mysql_innodb,python2.7-master-mysql_myisam,python2.7-master-sqlite_file,python3.2-master-sqlite_file,python3.3-master-sqlite_file,python3.4-1.5-sqlite_file,python3.4-1.6-sqlite_file,python3.4-1.7-sqlite_file,python3.4-1.8-sqlite_file,python3.4-master-postgres,python3.4-master-sqlite,python3.4-master-sqlite_file,checkqa-python2.6,checkqa-python2.7,checkqa-python3.2,checkqa-python3.3,checkqa-python3.4,checkqa-pypy,checkqa-pypy3
+envlist = pypy-master-sqlite_file,pypy3-master-sqlite_file,python2.6-1.6-sqlite_file,python2.7-1.3-sqlite_file,python2.7-1.4-sqlite_file,python2.7-1.5-sqlite_file,python2.7-1.6-sqlite_file,python2.7-1.7-sqlite_file,python2.7-1.8-sqlite_file,python2.7-master-mysql_innodb,python2.7-master-mysql_myisam,python2.7-master-sqlite_file,python3.2-master-sqlite_file,python3.3-master-sqlite_file,python3.4-1.5-sqlite_file,python3.4-1.6-sqlite_file,python3.4-1.7-sqlite_file,python3.4-1.8-sqlite_file,python3.4-master-postgres,python3.4-master-sqlite,python3.4-master-sqlite_file,checkqa-python2.7,checkqa-python3.4
 
 [testenv]
 whitelist_externals =