Adapted XmlObject <-> Model converters
Removed unused class "XmlFormulaConverterPair"
Bugfix XmlObject - Model conversion
Changes in Model <-> Xml conversion
Another Bugfix in XmlObject <-> Model conversion
Adapted ModelConversionTests; modified Broadcastmessage-conversion
Minor changes in XmlModelConversion
Fixed Bug 522 "Full 8 Frame..."-project crash
Changes in Model <-> Xml conversion tests
Merge TFS Changeset 1699