cleanup
Major update to current:

changes include:
* fully implement and test cached and async services.
  done for some methods in bos, vos and fs
* refactor tests, so that evaluation is outsourced
  of the actual test.
* fix Test.cfg
* make "historic" tables work.
* first setup to vaccum databases
* disallow setting of new attributes in model-data
* use _-type variable-names
* replace "DAO" by "LLA" where found
deploy: add simple script to cleanly deploy the

development version