- Core:
  Added parameter in order to be able to disable the
  "With Member" search filter in the ProjectListPage
- ProjectListPage:
  Added 'All' as filter option for
  project_status and project_type,
  instead of empty string
- Core Profile-Procs:
  Re-enabling caching for the list of users
- ProjectListPage:
  - Fixed issues with "letters"
  - Fixed error messages with bad start- or end date
- CompanyListPage:
  Fixed << and >>
- L10n
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