Update scaffolding etc.

[chrzyki]

============================= test session starts ==============================
platform linux -- Python 3.6.4, pytest-3.4.0, py-1.5.2, pluggy-0.6.0
rootdir: phoible, inifile: setup.cfg
plugins: mock-1.7.0, cov-2.5.1, clld-0.4.0
collected 33 items
tests/test_functional.py                 [ 96%]
tests/test_selenium.py ................................                                                 [100%]
----------- coverage: platform linux, python 3.6.4-final-0 -----------
Name                                Stmts   Miss  Cover   Missing
-----------------------------------------------------------------
phoible/__init__.py                    48      0   100%
phoible/adapters.py                    45      0   100%
phoible/assets.py                       5      0   100%
phoible/datatables.py                 124      0   100%
phoible/interfaces.py                   0      0   100%
phoible/maps.py                        19      0   100%
phoible/models.py                      72      0   100%
phoible/scripts/__init__.py             0      0   100%
phoible/scripts/initializedb.py       193    193     0%   2-470
phoible/scripts/legacy_id_map.py       17     17     0%   1-23
phoible/scripts/wikipedia_urls.py       4      4     0%   1-7
phoible/util.py                        38      0   100%
phoible/views.py                        0      0   100%
-----------------------------------------------------------------
TOTAL                                 565    214    62%

========================== 33 passed in 24.80 seconds ==========================.