remake ConnectionFactory class and log4j2.xml
Fix small bugs
changes in logs.jsp (styles)
remake login.jsp page
fix some bugs
Merge branch 'master' into roma

Conflicts:
	SSEL/.classpath
add href to profile page
cosmetic changes
merging with master + some style changes in viewAllLogs.jsp
fix student
merge with master
fix student controller
update Liquibase, fix bugs
Merge branch 'master' into roma
fix bug
add admin
change pattern