ported exisiting restrictions to new model
cache access checks
more fine grained rights
more fine grained rights
more fine grained rights
added rights to abstract encoder
enforce rights while encoding groups
enforce rights while encoding users
missing rights implementations
fixed NPE for not anonymous users
more fine grained access rights
enforce rights while encoding tracks
enforce access restrictions in resources
Merge branch 'dev' into rights

* dev:
  fixed 500 ISE when not submitting any entity
  fixed invalid sensor creation schema
anonymize measurements
do no anonymize sensors
even more restrictions
rules for root resource listings
renamed method
Merge branch 'rights' into dev

* rights:
  renamed method
  rules for root resource listings
  even more restrictions
  do no anonymize sensors
  anonymize measurements
  enforce access restrictions in resources
  enforce rights while encoding tracks
  more fine grained access rights
  fixed NPE for not anonymous users
  missing rights implementations
  enforce rights while encoding users
  enforce rights while encoding groups
  added rights to abstract encoder
  more fine grained rights
  more fine grained rights
  more fine grained rights
  cache access checks
  ported exisiting restrictions to new model