some refactoring
temp workaround for null values
sql->hql refactoring
getApplicationByHash method()
fix empty table case
added appstore entities
jaxb xml parser, some hql fix
removed last updated entity
Merge commit '89704bd31c968c8763d16ead2b9647c74b22131e' into ruslan-dev

* commit '89704bd31c968c8763d16ead2b9647c74b22131e':
  removed last updated entity
  jaxb xml parser, some hql fix
  added appstore entities
  fix empty table case
  getApplicationByHash method()
  sql->hql refactoring
  temp workaround for null values
  some refactoring

Conflicts:
	src/org/onepf/repository/model/services/DataService.java
	src/org/onepf/repository/model/services/mysql/SqlDataService.java