Merge branch 'Tidy_up_gitlab_CI_doc' into 'master'

Tidy .gitlab-ci.yml, fix py3.5 test, add py2.7 test (allowed to fail)

See merge request !7
6 jobs for master in 25 minutes and 28 seconds
Status Job ID Name Coverage
  Test
passed #584780663
code_ub18-04

00:04:50

failed #584780664
allowed to fail
py27_ub18-04

00:05:10

passed #584780665
py35_ub16-04

00:12:15

passed #584780666
py36_ub18-04

00:24:46

passed #584780667
py37_ub18-04

00:24:55

passed #584780668
py38_ub18-04

00:25:27

 
Name Stage Failure
failed
py27_ub18-04 Test
options = ['full', 'testfiles/dir1', 'file://testfiles/output', '--volsize', '1']
current_time = 10000, fail = None, passphrase_input = []

def run_duplicity(self, options=[], current_time=None, fail=None,
passphrase_input=[]):
Uploading artifacts for failed job
Uploading artifacts...
report.xml: found 1 matching files

Uploading artifacts to coordinator... ok
id=584780664 responseStatus=201 Created token=7gcMDhy4
ERROR: Job failed: exit code 1