[maven-release-plugin] prepare release 3.2.7
[maven-release-plugin] prepare for next development iteration
** Merged CharacterSheetMaterialControler, DocumentController,
FolderControlle, GoogleDriveMaterialContrller, ImageController,
PdfController, VectorImageContrller and DropboxManager into
MaterialContrller to avoid circular dependencies
** Added WebSocket support illusion character sheets
** Fixed Forge character sheet editor to work with websocket character
sheetes