Lesson42-43 -- "Create connection to database through Spring-context (XML)"

1) Changing 'PortraitDao' class -> working with Spring 'DataSource'. But without 'JdbcTemplate'.
2) Add 'jdbc.properties' file for properties of Spring 'DataSource'
3) Add new spring bean into 'PhonebookWeb-context.xml' -> bean with 'DataSource'. Properties for it were got from 'jdbc.properties' file
4) Add new dependency into server 'pom.xml'. Dependency with spring-jdbc.

To be continued...