remake javascript
email localization
Teacher registration, send email
remake some method in userservice, create new folder, add tests
add encoding
Add liquibase folder, whick containe changelog files
Merge branch 'master' into roma

Conflicts:
	SSEL/.classpath
	SSEL/src/main/java/com/softserve/service/UserService.java
	SSEL/src/main/java/com/softserve/validator/RegistrationValidation.java
	SSEL/src/main/resources/messages_en.properties
	SSEL/src/main/resources/messages_ru.properties
	SSEL/src/main/resources/messages_ua.properties
	SSEL/src/main/webapp/WEB-INF/views/pages/login.jsp
fix some bugs
delete some files
Merge branch 'master' into roma

Conflicts:
	SSEL/src/main/resources/messages_en.properties
	SSEL/src/main/resources/messages_ru.properties
	SSEL/src/main/resources/messages_ua.properties