HTML-escape fields passed to revision table in Mako.
Fix download link in freshly uploaded files.

Thanks @caneruguz for catching this.
Merge branch 'hotfix/s3-keys'
Pressing the disable addon link now sends a POST request which actually
disables the addon.
Add in a bootbox on fail
Use $.osf.postJSON
Spacing fix
Log to Sentry via Raven on failure
Merge branch 'hotfix/0.21.24' into develop
Merge branch 'hotfix/0.21.25' into develop