Spec for testing update of User#cached_aktivitaetszahl
Overwrite DagLink#save to delete cache
Replacee #cached_navables by #cached_current_corporations
officers: Amtsträger-Gruppen für x und Schriftwart anlegen für alle WV, PhV und BV.
ui: adding together js collaboration tool.

Currently, the tool can be seen by developers.

More info: https://togetherjs.com
Merging pull request #41. Merge remote-tracking branch 'origin/jb/604_verify_cache_delete'.
Mergint pull request #42. Merge remote-tracking branch 'origin/jb/625_caching_horizontal_navigation'
removing togetherjs.

At the moment, there is no usecase.
Replace cached_my_groups_table by cached_corporations