Refactors AASXPackageManager to be able to load files outside /aasx

Refactors AASServer to store files in /files folder; not in server root

Signed-off-by: Maximilian Conradi <maximilian.conradi@iese.fraunhofer.de>
Change-Id: I1296489722c76b34a4f5abb9f9e1d76971ce94bc
3 files changed