Update Spice.js to redefine Spice.failed for frontend notification
Now when Spice.failed is called our redefined function first calls the
original Spice.failed, but then adds an alert onto the page so the
developer is aware of which Spices failed. Otherwise they just see a
blank page which doesn't explain what you are seeing
Normalize usage of single quotes
Better use of jQuery to build div obj, create spice-error container div on page load
Merge pull request #184 from duckduckgo/zaahir/spice-failed-notice

Spice.failed() frontend notice