Work ImageClientWebService for change avatar and uploading product
images.
Update MessageCreator, MessageClientWebService, UserWebService,
LeaveMessageServlet
some changes
Merge remote-tracking branch 'origin/dorosh2' into chemodurov
Merge remote-tracking branch 'origin/Reka-left' into chemodurov
Merge remote-tracking branch 'origin/reka' into chemodurov

Conflicts:
	BuyIt/WebApp/jsp/productPage.jsp
	BuyIt/src/main/java/com/epam/lab/buyit/controller/web/servlet/ChangeAvatarServlet.java
Add user restore product.
MessageClientWebService refactoring
Merge remote-tracking branch 'origin/dorosh2' into chemo
Add message service errors messages on user_wall.jsp
Project refactoring
Project refactoring
Project refactoring
Fix item_preview.jsp footer
+padding-right in table; + check for numbers;