Qp::creationTime added, which reads the time from DB when the object time is invalid
Fix all times to be converted to local time from UTC.

This commit assumes, that the DB uses UTC to fill out DOUBLE fields with CURRENT_TIMESTAMP, which is the default (and only useful) behavior.

A later improvement might include to query the timezone of the server.
Qp::LazyPixmap: Remove superflous debug output
QpDao: Fix synchronization of updated objects
Merge commit '10be2ff8fc27e5bb0ed53146b96639e4811b20d4' into develop

* commit '10be2ff8fc27e5bb0ed53146b96639e4811b20d4':
  Squashed 'lib/QPersistence/' changes from 5725bb3..b5cfbcc

Conflicts:
	lib/QPersistence/src/dataaccessobject.cpp
	lib/QPersistence/src/storage.cpp
QpDao::readAllObjects: Read the object when it has no revision
QpSortFilterProxyObjectModel: Rename lessThan -> objectLessThan just like filterAcceptsObject
QpMetaObject::method also finds the correct method for a relation, when its parameter has not been specified with its complete namespace
Globale Suche hinzugefügt
Merge pull request #33 from Kampfgnom/mpmbase

Mpmbase