Added DbUserService in scala demo

[pinootto]

This version is working with Play 2.0.4

MySql Database

Table USER

CREATE TABLE USER(
ID VARCHAR(100) NOT NULL,
PROVIDER VARCHAR(100),
FIRST_NAME VARCHAR(200),
LAST_NAME VARCHAR(200),
EMAIL VARCHAR(100),
PASSWORD VARCHAR(100));

Table TOKEN

CREATE TABLE TOKEN (
UUID VARCHAR(100) NOT NULL PRIMARY KEY,
EMAIL VARCHAR(100),
CREATION_TIME DATETIME,
EXPIRATION_TIME DATETIME,
IS_SIGN_UP BOOLEAN);

[gsdstr]

For pg

CREATE TABLE user_play(
id text NOT NULL,
provider text,
first_name text,
last_name text,
email text,
password text);

CREATE TABLE token_play (
uuid text not null primary key,
email text,
creation_time timestamp,
expiration_time timestamp,
is_sign_up boolean,
CONSTRAINT token_play_key PRIMARY KEY (uuid));

[pinootto]

Added the file "messages.it" with italian localization of messages