Desgin: specify how a clean version should look like
DESIGN: add usage of pylint to design.txt

also, add a pylint config-file.
It may change in the future to accomodate for warnings.
FsService: do not try to get a fileserver object without uuid
examples/emptyServer.py: some bugfixes

- do break the volume-loop when the untilFree target si reached.
- use correct default value for minUsage
- be more verbose when skipping volumes
LookupUtil: only cache non-None uuids
housekeeping: ignore more pylint warnings and

let git ignore the build directory
housekeeping: fix previous commit
refactor: initial upload of new  model-classes
styling: rename and modify some basic files

to stick to pylint.rc
styling: rename parsing-files in dao
styling: get dao consistent
styling: get DBMapper and model objects in sync
styling: new coding style for util-stuff
style: first working unit-test with new style
FsService: fix indentation
manageProjects: use Lookuputil, make printing

more pretty.
ProjectService: don not use chached= paramter

fix logging
emptyServer.py: reorder skipping logic
update to current: __init__

mostly renaming fo stuff.
Not expected to be working like that.
update to current: dao

mostly renaming fo stuff.
Not expected to be working like that.