Merge branch 'develop' of https://github.com/CenterForOpenScience/osf into feature/freq_rec_contrib_pagination
Get recent contributors and get frequent contributors now only display
10 results, and no longer keep the pagination state of the previous
search.
Closes CenterForOpenScience/openscienceframework.org#1223,
closes CenterForOpenScience/openscienceframework.org#1224
Add breadcrumbs to github files detail page
Add download and delete buttons to github files detail page
Add delete alert warning using KO visible binding

Add deleting flag to deleteFile.js and change s3
deleting alert and figshare to use KO visible
binding instead of jQuery to show deleting alert.
Remove "download" text from blue github download buttons
Check that current_file is not None

Delete_url takes in current_file.sha. If
the request to get current_file returns
None, an error will occur.
Add scripted class to div#figshareScope tag
Add scripted class to div#githubScope
Merge branch 'hotfix/0.20.15'
Remove downloadFile view model and use url passed from view

Remove downloadFile VM and initialize deleteFile VM with
s3Scope to use the visible data-bind on the
"Deleting your file" alert
Merge branch 'feature/github-download-del' into develop

Conflicts:
	website/static/js/downloadFile.js
Throw 410 on deleted files.
Attempt to recover corrupt nodes through source nodes.
Merge branch 'feature/osf-storage' into develop
Catch and replace unhelpful error messages from upload service.
Special-case known corrupt files.
Merge branch 'feature/osf-storage' into develop
Add "max" query parameter for get_recently_added_contributors
Fix limiting  and filtering results for most recent/common contribs