Modify UserPageServlet (add cheking user or admin), validate
CreateCategoryServlet, modify adminProfile
Fix rating bugs
Load avatar part
zoom
validation in user room
Add legalNotice.jsp
some changes
no change
Merge branch 'reka' into Pavlo

Conflicts:
	BuyIt/WebApp/jsp/adminProfile.jsp
	BuyIt/src/main/java/com/epam/lab/buyit/controller/web/servlet/CreateCategoryServlet.java
Merge remote-tracking branch 'origin/aleg' into Reka-left

Conflicts:
	BuyIt/WebApp/WEB-INF/web.xml
	BuyIt/src/main/java/com/epam/lab/buyit/controller/web/servlet/UserPageServlet.java
Code refactoring.