BRA-29: Implemented JdbcOrderChangeManager
Merge branch 'db' of https://github.com/skrauchenia/borsch into db

Conflicts:
	borsch-core/src/main/java/com/exadel/borsch/managers/impl/jdbc/JdbcOrderManager.java
	borsch-core/src/main/resources/dataSource.xml
	sql/script.sql