Add support of gitlab continuous integration

16 jobs from dev in 13 minutes and 44 seconds (queued for 18 seconds)
Status Job ID Name Coverage
  Test
passed #334
check_rst

00:00:30

passed #346
coverage

00:01:04

100.0%
passed #333
flake8

00:00:30

passed #338
py27-django110

00:01:00

passed #348
py27-django17

00:00:32

passed #336
py27-django18

00:01:14

passed #337
py27-django19

00:01:04

passed #342
py34-django110

00:01:05

passed #339
py34-django17

00:01:08

passed #340
py34-django18

00:01:03

passed #341
py34-django19

00:01:06

passed #345
py35-django110

00:01:04

passed #343
py35-django18

00:01:08

passed #344
py35-django19

00:01:09

passed #347
py27-django17

00:00:58

failed #335
py27-django17

00:00:54