Release v0.28: Archive access for collaborators

Enhancements:

• Grant archive access to project collaborators (and remove access when
  collaborators are removed)
• Replace logo with new bee logo and add 'beta' badge to navbar
• Improve logging by:
  • sharing logs between deployments
  • piping delayed job output to a dedicated delayed_job_production.log file
  • using Lograge to summarize log output

Fixes:

• The notifications page no longer crashes when one has notifications about new
  revisions
• Notification emails no longer have the old Upshift logo
• Upgrade rack gem to v2.0.6 to fix
  CVE-2018-16471 and
  CVE-2018-16470
• Remove old models & specs (e.g. FileResource)

Hotfix v0.27.1: Fix FileUpdateJob

Fixes:

• When adding a file to a folder that once was present in a repository,
  FileUpdateJob no longer fails

Release v0.27: File Content Changes

New Features:

• Users can see file content changes for text-based documents (Google Docs,
  Word .docx, Word .doc, Open Office .odt, and PDF) on revisions, capture
  changes, and file info pages

Hotfix v0.26.3: Fix project deletion

Fixes:

• Deleting projects is now possible again (it caused server errors due
  to the way that file thumbnails were implemented)

Hotfix v0.26.2: Fix loofah CVE & specs

Fixes:

• Upgrade gem 'loofah' to address
  CVE-2018-16468
• Add model specs for models added in v0.26
• Fix failing specs of models retired in v0.26
• Fix style violations introduced in v0.26

Hotfix v0.26.1: Fix Capistrano deploy version

Fixes:

• Bump Capistrano version in deploy.rb to v3.11.0 (to reenable Capistrano CLI)

Release v0.26

New Features:

• Users can restore snapshots of files from past revisions
• Users can roll back the project to a past revision

Enhancements:

• The application infrastructure was completely rewired to support branching and pull requests.

Release v0.4

New Features:

• Project file management

Fixes:

• Form elements with inherited styling will correctly show up as invalid if an
  error occurs on the input element's attribute