add logDetails, deleteLogs, viewLogsByDate and pagination of logs table
add sql-based pagination, oportunity to choose from one date to another, created LogController etc...
improving logTable pagination
remake javascript
email localization
Teacher registration, send email
Fix bugs in search
Merge
adding javadocs and comments, deleting unused methods
some style changes in viewLogs page
Preparing for paging search
Pagination for search
remake some method in userservice, create new folder, add tests
add encoding
fix topic view
merge with master
Add liquibase folder, whick containe changelog files
fix dump, fix localization and topic view
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