Merge pull request #5 from xcechack/master

hashCode, equals and constructor added
unit test
use case
Merge remote-tracking branch 'origin/master'

Conflicts:

	HauntedHauses/src/main/java/com/mycompany/hauntedhauses/dao/jpa/PowerDAOImpl.java

	HauntedHauses/src/main/java/com/mycompany/hauntedhauses/entity/Ghost.java
Merge branch 'master' of https://github.com/Zbrana/PA165-HAUNTED-HOUSES
unit test addGhost works
power javadoc and empty test file
all unit tests for Ghost done
first unit test
Přidána třída ResidentDAOImplTest
Úprava v ResidentDAOImpl
Unit Testy na class Resident
GhostDB
tests for PowerDAOImpl added