merge nan's PR
Merge branch 'develop' of https://github.com/CenterForOpenScience/osf-ui-tests into develop

Conflicts:
	project_registration_tests.py
Merge pull request #42 from chennan47/dev

project_access_tests.py fixed and remove_contributor function rewrite be...
Merge branch 'develop' of https://github.com/CenterForOpenScience/osf-ui-tests into develop
Merge branch 'develop' of
https://github.com/CenterForOpenScience/osf-ui-tests into dev
file tests fixed