FIX: i18n
ADD: GWT Validator
ADD: Register form validation

with the new files ...
REMOVE: maven-build.log from source management
IMPROVE: UserService exception management
ADD: Translated exception messages
ADD: MessageFlyer component for display ERROR and INFO message
IMPROVE: Refactor for using MVP pattern
Merge branch 'master' of https://github.com/Marthym/Oikonomos

Conflicts:
	maven-build.log
	pom.xml
	src/main/java/com/marthym/oikonomos/client/Oikonomos.java
	src/main/java/com/marthym/oikonomos/client/components/RegisterForm.java
	src/main/java/com/marthym/oikonomos/client/pages/WelcomePage.java
	src/main/java/com/marthym/oikonomos/shared/model/User.java