Add Search Servlet, add mapping to web.xml, add hollow jsp (search
result) and change navbar.jsp (replace path form product.html to
searchServlet in form action ,adding name for select product and for
input tag, where we isert name of product what we searh)
In ProductDAO adding three methods for searching in DB.
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Change SearchServlet, add search service interface and implementation of
this service. Change web.xml add mapping for searchResult.jsp
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Update item_preview.jsp and item_preview.css. Add mock images.
Fix Menu bug - changes in sidebarMenu.jsp and CategoryServlet
Create MD5Encryprot and implemented it in user identification.
Update UserCreator, UserServiceImpl, UserSetter, Validator, 
RegistrationServlet
Merge remote-tracking branch 'origin/aleg' into chemodurov

Conflicts:
	BuyIt/WebApp/jsp/registration.jsp
	BuyIt/src/main/java/com/epam/lab/buyit/controller/creator/UserCreator.java
	BuyIt/src/main/java/com/epam/lab/buyit/controller/setters/UserSetter.java
Done with result jsp, add jquery library for pagination, add methods for
getting images, product details from DB
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Merge branch 'pavlo'

Conflicts:
	BuyIt/WebApp/jsp/navbar.jsp
	BuyIt/src/main/java/com/epam/lab/buyit/controller/dao/auction/AuctionDAO.java
	BuyIt/src/main/java/com/epam/lab/buyit/controller/dao/product/ProductDAO.java
Merge branch 'master' into aleg

Conflicts:
	BuyIt/WebApp/jsp/userProfile.jsp