Added polymer in pubspec and changed the requires files and imports
One Factory method + some styling
Replaced the others cards with the new card component
Fixing setting value to an actual value to display
Fixed TG-10 with the new implementation
nl eof
Restored css
Fix cdn link
removed the template-if and kept the logic in the dart code.
CardWidget -> CardComponent
Removed dependency on paper-elements since it's not used.
Merge pull request #13 from Pacane/adding-polymer

TG-13 - Extracting the card to a Polymer Element