made termsourceuri a real URI (#2313)
latest xper adaptations
remove Variable cast where possible
improve Xper adapter
variable.isNumType()
new implementation for Xper data fetching from persistence and some further changes to Xper
further changes for Xper adaptation
refactor initializations to allow to start with an external base controller
splitting Utils to Utils and XPApp in Adapter (2)
refactor Xper adapter, also done in last commit on xper2
refactored xper adapter module (2)
refactored xper adapter module
bugfix for new method name for thumbnail generation
starting Xper with interfaces
start on Xper->Cdm Adapter
move SDD test classes and data to src/test (for Xper adapter)
rearranged XperCdmIntegration