OxSqlJob: adding OxUser and OxProfileData implemented
PersonKey:
  - PASSWORD and ENCRYPTED_PASSWORD removed
  - instead possibility to configure  custom person keys added
OxTargetJobContext: preparing of Avatar-Hash and user full name added
ConverterGender implemented
TargetJob: new init() and close() method
SqlJob: initPersistence() and closePersistence() removed
TargetExecutor:
  - myFailedPersons is now LinkedHashMap instead TreeMap (Person is not Comparable)
  - loop in jobs for init() and close()
  - finalizePerson is now also called when mySkipFailedPersons is true
UserPropertyOverloader:
  - Bugfix in building property file name fixed
  - moved to base package (in order to include more candidates, e.g. OxTargetConfiguration)
ConfigHelper renamed to ConfigUtils
ConverterMembership renamed to ConverterNumberList.java
new classes:
  - OxUtils
  - OxProfileQuestion.java
  - OxQuestionType.java