Alpha 5 release - Bug fixes and feature enhancements.

• Fixes and cleanup
  -- increase contrast for labels, vertical tabs
  -- fix text format field to be better aligned to the sibling elements
  -- cleanup message notification trigger to be less distracting
  -- form textarea active highlight jump fix, update description icon to MD spec
  -- checkbox filled position adjust, padding space for sticky edit
  -- fix action button icon styling to match font size
  -- minor CSS cleanup for dialogs and views UI
  -- fix for issue #47 where radio buttons were visually hidden

• New feature
  -- breadcrumb in the header.
  -- add year dropdown for date picker - and make configurable in UI.