Swapped to Node.js
App skeleton.
Added database schema and updated package.json.
Adicionado arquivos css e js.
Adicionado index.html
Server: Minimal sqlite3 integration; some socket events handled.
Adicionada tabela e suas restricoes no cliente.
Verifies the nodes in both players hands, the current state. Need to check the end and the initial distribution.
Fixed data.username to socket.username.
Changed the way to handle valid links. Sending a message if it is valid.
Updated UI.
Fixed (some) link handling things.
Fixed bug when pressing Enter. Added some UI changes.
Miscelaneous server fixes.

- Added try-catch statement surrounding server.listen();
- Added a function for setting up a new user;
- Valid links are now emitted to all hosts rather than only the user that generated the
  link;
- Added sanity check when a socket disconnects (must have been added before
  removing)
Formatting (indentation) fixes.
Break early if node is found when placing on the board.
Improvements in server implementation.

- Added a graph representing the current state of the board;
- Fixed link creation checks;
- Added new functions to handle the creation of entities/links.
Splitted app.js in two files, ui.js and net.js. Need to check the changes on the server.
Merge branch 'gt' of https://github.com/Frai/koding_hackathon into gt
Fixed comunication between server and client.