-n 
Merge commit '966fee6960fd3b0d2954e96e08dac93ef9fb6358'

Conflicts:
	lib/QPersistence/src/relations.cpp
	lib/QPersistence/src/relations.h
merge changes from lbproductions
-n 
improved performance of cache and sqldataaccessobjecthelper
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Improved stability and performance of the meta-system.
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Cleaned QPersistence code. Moved methods etc. Began writing unit tests.
merge changes from psnewmodel
merge changes from qpersistence