New Account integration test
Add a new FactoryBean embedMongo
Remove the explicitversion value for spring-data-commons-core and just
keep spring-data-mongodb and his implicit dependences => resolve two
bugs about mongo schema missing in XML config file.
Add a logback configuration file for tests and test LOG.debug
Set logback and add an advice to log all services
add amount property to Account class
Add Spring MVC
Add the first Admin controller
and running to test add a new account and get an account : just log
behind