#766 Ballot Enhancements

[lprichar]

Issue

Fixes #766

Description

Primarily this adds additional validation during ballot upload that the ballots match the manifest. It also:

• Fixes an issue where error messages weren't displayed correctly on the decryption page
• Improves the UI of the election page
  • Moves buttons on the menu to appropriate sections where possible
  • Displays a nice message if there aren't any ballots and tallies
  • Moves the title down and separates the sections more clearly
  • Updates button colors from green to gray
  • Move title lower on page and adjusts spacing
  • Add tally date to tallies list
  • Add upload date to ballots list
• Improves the UI of the decryption page
  • Adjusts UI to match election page e.g. buttons to grey
  • Renames "Decryption Results" to "Tally Results"
  • Moves spoiled ballots into a table
  • Show a nice message if no spoiled ballots exist

Testing

Try uploading a ballot that belongs to a different manifest, it should now show like this:

A bran new election with no ballots uploaded looks like this:

An election with a few ballot uploads and a tally now looks like this:

[SteveMaier-IRT]

lgtm