Bump dropbox to 8.0.0, add coverage, bump version to 0.1.1

[maxicecilia]

• Bump dropbox to 8.0.0 (recommended by Dropbox)
• Bump requests to 2.18.x due to a bug in the dropbox requirements
• Added coveragerc and instructions

(classroom) ➜  django_dropbox_project git:(migrate_to_dropbox_8_0_0) ✗ coverage run manage.py test
Creating test database for alias 'default'...
.....
----------------------------------------------------------------------
Ran 5 tests in 26.330s

OK
Destroying test database for alias 'default'...
(classroom) ➜  django_dropbox_project git:(migrate_to_dropbox_8_0_0) ✗ coverage report                         
Name                                                                                             Stmts   Miss Branch BrPart  Cover
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/home/mcecilia/projects/django-dropbox/django_dropbox/__init__.py                                    4      0      0      0   100%
/home/mcecilia/projects/django-dropbox/django_dropbox/management/__init__.py                         0      0      0      0   100%
/home/mcecilia/projects/django-dropbox/django_dropbox/management/commands/__init__.py                0      0      0      0   100%
/home/mcecilia/projects/django-dropbox/django_dropbox/management/commands/get_dropbox_token.py      16     16      0      0     0%
/home/mcecilia/projects/django-dropbox/django_dropbox/models.py                                      0      0      0      0   100%
/home/mcecilia/projects/django-dropbox/django_dropbox/settings.py                                    8      0      0      0   100%
/home/mcecilia/projects/django-dropbox/django_dropbox/storage.py                                    94     12     24      7    82%
/home/mcecilia/projects/django-dropbox/django_dropbox/tests.py                                      49      0      0      0   100%
/home/mcecilia/projects/django-dropbox/django_dropbox/views.py                                       0      0      0      0   100%
__init__.py                                                                                          0      0      0      0   100%
dropbox_testing/__init__.py                                                                          0      0      0      0   100%
dropbox_testing/admin.py                                                                            10      3      2      0    58%
dropbox_testing/models.py                                                                            6      0      0      0   100%
dropbox_testing/tests.py                                                                             4      0      0      0   100%
dropbox_testing/views.py                                                                             0      0      0      0   100%
local_settings.py                                                                                    3      0      0      0   100%
settings.py                                                                                         28      2      0      0    93%
urls.py                                                                                              4      4      0      0     0%
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TOTAL                                                                                              226     37     26      7    81%