/admin/applications in React + Redux

TODO - technical

• Tests - add karma unit tests, look into integration tests
• Constants for actions + application status strings
• Immutable.js

TODO - features

• Histogram of submitted apps over time (bucket by day)
  • 'brush' chart to apply date filter
  • stack different statuses to visualise in progress vs submitted/completed
• Map with pins for each location
  • clustering
• 'Sort by' columns
• More / better filters