upgrade gem madek_zhdk_integration

InstitutionalGroup: .to_s: DON'T remove suffix from inst. group name
ui: js: formHelpers: fix warnOnLeave
ci: increase auto_trials to 3
ui: preserve line breaks of multi-line string meta data

(it is multi-line if of input_type: text_area)
Update db/ldap.json
cider-ci: fix typos in Stderr sections
Release 2.5.0
Add full randomization for teaser set elements
meta_data: fix multiline string handling in show&edit, move detection logic into model
fix previous_id_redirect: remove binding.pry
controllers: set, entry: make sure `check_and_initialize_for_view` is done consistently

also fix an old-id-redirect
Admin interface: filtering zencoder jobs by failed state
Improve error handling, add tests
Add tests for media set highlights, cover and content display mode
Admin interface: delete groups, merge inst. groups

Admin interface:
- add delete button in groups list
- ability to merge institutional groups

Squashed commit of the following:

commit c094cf96363080950283a10cf8dc15eaac4e8ef0
Author: Michał Podlecki <m.podlecki@op.pl>
Date:   Wed Nov 12 13:05:25 2014 +0100

    Admin interface:
    - add delete button in groups list
    - ability to merge institutional groups
Add cider_ci-rails gem
ui: relations: visual fixes

fixes [#82170730]

Squashed commit of the following:

commit 0f9821cf0f8ab3415638506fb8b8f91f52aff59c
Author: Max F. Albrecht <1@178.is>
Date:   Wed Nov 12 12:36:32 2014 +0100

    adjust test

commit da447ad784e8cf06621066db55f37aff280b8d72
Author: Max F. Albrecht <1@178.is>
Date:   Wed Nov 12 12:27:47 2014 +0100

    ui: css: fix .ui-resources.grid.horizontal vertical alignment

    li items were ragged if they had content of different lengths

commit 30eb306ed1d29e0d7a4873f43d054d0f5063cd3a
Author: Max F. Albrecht <1@178.is>
Date:   Wed Nov 12 11:54:38 2014 +0100

    relations: resource-link point to #show, not #relations

commit f0bd600630394da7c1b41d29364ad41c126ccbce
Author: Max F. Albrecht <1@178.is>
Date:   Wed Nov 12 11:54:11 2014 +0100

    relations: remove line breaks from description
extend personas data with more favorites
gem pry-rails -> pry for rails console
update Gemfile.lock with pry-rails