JS structure created.
[Structure] Structuring the master panel
Deck count added.
[Master Panel] Politic discard pile added.
[Master Panel] Leadership cards added.
[Master Panel] All skills cards added.
[JSON] Card codes updated.

Added a 3 character key before the code to determine the card type (ski, cri, quo, etc.)
[Drag'n'drop] Cards can be dragged and dropped
[Drag'n'drop] Cards can only be dropped on their respective decks or discard piles.
[Drag'n'drop] Count is not dragged with the deck card during drag.
[Master Panel] Trash added.
[Drag'n'drop] Cards are effectively moved when dragged between valid positions.
[Undo/Redo] Actions can be undone using Ctrl-Z
[Undo/Redo] Actions can be redone using Ctrl-Shit-Z or Ctrl-Y
[Save] User can save his changes by hitting Ctrl-S.

For now, it displays in the console the list of atomic actions to send to the server.
[Save] Quit confirmation message added when the user tries to leave the page with unsaved changes.
Merge branch 'master' into develop
[Master Panel] Cards from decks can be dropped in the Trash.
[Cleaning] Remove useless dependencies
[Drag'n'drop] Decks can be dragged even from the counter value.