brickDao added dataAccessException, changed this exception also in test
added DaoException (subclass of DataAccessException), changed occurence of IllegalArgumentException in whole project to DaoException
minor changes, removed unused imports
changes in buildingservicetest
Merge branch 'master' of https://github.com/jirikrepl/PA165-Manager-LEGO-stavebnic

Conflicts:
	src/main/java/cz/muni/fi/PA165/service/ThemeSetServiceImpl.java
BuildingKitServiceTest update
Merge branch 'master' of https://github.com/jirikrepl/PA165-Manager-LEGO-stavebnic

Conflicts:
	src/main/java/cz/muni/fi/PA165/daoDtoConversion/BuildingKitConversion.java
	src/main/java/cz/muni/fi/PA165/service/BrickServiceImpl.java
	src/main/java/cz/muni/fi/PA165/service/BuildingKitService.java
	src/main/java/cz/muni/fi/PA165/service/CategoryServiceImpl.java
	src/test/java/cz/muni/fi/PA165/service/BuildingKitServiceTest.java
	src/test/java/cz/muni/fi/PA165/service/CategoryServiceTest.java
	src/test/java/cz/muni/fi/PA165/service/ThemeSetServiceTest.java