Add StringUtil lib, fix some bugs into controllers
Delete folder samples
Merge branch 'master' into roma
liquibase work,
hello
mockito test start attempt
Add safe delete support
add few tests and some style changes in viewAllLogs.jsp
fix bugs
new dump and safe delete
changes is date parsing and some new tests
Modal windows add animate, remake cron,
Create folder for new liquibase changeset, delete a few css files
Merge branch 'master' into roma

Conflicts:
	SSEL/src/main/java/com/softserve/dao/CourseSchedulerDao.java
	SSEL/src/main/java/com/softserve/dao/impl/CourseSchedulerDaoImpl.java
	SSEL/src/main/java/com/softserve/entity/Group.java
	SSEL/src/main/java/com/softserve/service/CourseSchedulerService.java
	SSEL/src/main/java/com/softserve/service/impl/CourseSchedulerServiceImpl.java
Code refactoring, add new changeset to liquibase 3.0
a small progres in controller testing. But, still not working =)
Remove all js form jsp page, add social buttons
Create class with patterns,add localization to datepicker,pom add utf-8
changes
Merge branch 'master' of https://github.com/nromanen/Ch-025 into hash

Conflicts:
	SSEL/src/main/java/com/softserve/dao/TopicDao.java
	SSEL/src/main/resources/messages_ru.properties
	SSEL/src/main/resources/messages_ua.properties