Fix bug with initialization of core properties

The static variable was not used but the local variable. Now a call to
reinitialize uses the correct core properties (empty before).

Change-Id: I93d6b6e6228e81b7226fb2f5ef82aef3b112aa31
Signed-off-by: Denis Knoepfle <denis.knoepfle@sap.com>
Merge pull request #35 from DenisKnoepfle/master

Fix bug with initialization of core properties