got rid of Set<Star> in Galaxy class
Dao interfaces are done
tuning spring, log4j2 and tests
tuning spring, log4j2 and tests
field Date was added into Galaxy, and a little refactor of app-domain
made parameters as final(if they must not be changed).
Dao interfaces are done
added date to equals toString and hashCode
added scripts work with Galaxies in db
added GalaxyDao
added date into test string
added  tests of GalaxyDaoImpl
galaxy dao works
changed type of mass
starDao bean was added into configuration
added field galaxyId
split sql-script.properties into 2 files
added sql scripts to work with star entity
added final keyword
imlemented starDaoImpl