change user role
add new category filter
db unit test arrangement attempt not working yet...
add filter paterns
Config db unit
db test skeleton added
Role Service tests
add validation in jsp
Merge branch 'master' into ivan

Conflicts:
	SSEL/src/main/java/com/softserve/dao/impl/SubjectDaoImpl.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/resources/styles/styles.css
change social
Few tests for user service
Create package for service tests, add user service tests
add js validation
:wq
dao tests and some parametrized test attempt
Merge branch 'master' into roma
Merge branch 'master' into anatoliy
working unparametrized tests for logDao
merging branch vetall1 with master
deleted temporary test class
Fix some bugs, add tests