OxSqlJob: Query and query-Param made class member, only once initialized
OxCustomQuestion refactored: It is now possible to provide a configurable custom question resolver (e.g. the new OxProfileQuestionGender)
ProfileQuestion resolvers for the default types added:
  - OxProfileQuestionString
  - OxProfileQuestionNumber
  - OxProfileQuestionDate
new OxQuestionFactory for instatiating custom question resolvers
Gender enum extracted to own class OxGender. Default-Values added

Some oxwall packages rearranged (sql, profile, entity)

Bugfix: myQueryEMail removed as member (problem with different EntityManagers used by tests). Is now created locally again
ClassUtils: Typesafe findCandidatesByAnnotation() variant added
OxSqlJob finished (avatar and membership added)
Person: getLongListProperty() added
ConverterNumberList: toLongList and toList added
new Tests:
class ConverterNumberListTest
testcase ClassUtils.testFindCandidatesByAnnotationAndType