Version 2.0.0 beta 5 - Installable app, monthly digest, installable app

New features:

• Allow changing password
• Show log-in history
• Monthly digest
• Forgot password/reset password
• Login notifications
• Web app manifest, installable web app

Improvements:

• Prevent generating source maps in production build
• Minify CSS in production
• Updated service worker
• Upgraded framework to .NET Core 2.1
• No longer requires libuv
• Builds are done via continuous integration (Travis/AppVeyor)

Bugfixes:

• Fix HTTP server options not being read
• Fix archive showing wrong month name