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Changed comparison by hash to comparison by id in manager classes' methods
Added IDs in HTML form
Saving changes
Merge branch 'for-sergei' of https://github.com/skrauchenia/borsch into for-sergei

Conflicts:
	borsch-web/src/main/webapp/WEB-INF/jsp/dishAdd.jsp
	borsch-web/src/main/webapp/WEB-INF/jsp/dishEdit.jsp
Repaired Manager classes' methods
fix some bugs
Merge branch 'for-sergei' of https://github.com/skrauchenia/borsch into for-sergei
Merge branch 'for-sergei'

Conflicts:
	borsch-core/src/main/java/com/exadel/borsch/dao/Dish.java
	borsch-core/src/main/java/com/exadel/borsch/dao/PriceList.java
	borsch-core/src/main/java/com/exadel/borsch/managers/MenuManager.java
	borsch-core/src/main/java/com/exadel/borsch/managers/simple/SimpleManagerFactory.java
	borsch-core/src/main/java/com/exadel/borsch/notifier/MakeOrderNotifier.java
	borsch-web/pom.xml
	borsch-web/src/main/java/com/exadel/borsch/web/controllers/HomeController.java
	borsch-web/src/main/java/com/exadel/borsch/web/controllers/UsersController.java
	borsch-web/src/main/java/com/exadel/borsch/web/controllers/ViewURLs.java
	borsch-web/src/main/resources/messages.properties
	borsch-web/src/main/webapp/WEB-INF/jsp/menu.jsp
	borsch-web/src/main/webapp/WEB-INF/tags/navbar.tag