Closes #4319

Merge request studip/studip!3119

Closes #4277

Merge request studip/studip!3116

Closes #4311

Merge request studip/studip!3115

ations for 5.4

Closes #2954

Merge request studip/studip!1997

Closes #3990

Merge request studip/studip!2839

Closes #4283

Merge request studip/studip!3101

Closes #4310

Merge request studip/studip!3114

Closes #4288

Merge request studip/studip!3104

Closes #4308

Merge request studip/studip!3110

Closes #4280

Merge request studip/studip!3097

Closes #4279 and #4281

Merge request studip/studip!3100

Closes #4287

Merge request studip/studip!3103

Closes #4274

Merge request studip/studip!3094

Closes #4275

Merge request studip/studip!3093

Closes #4048

Merge request studip/studip!3074

Closes #4257

Merge request studip/studip!3087

Closes #4186

Merge request studip/studip!3086

Closes #4251

Merge request studip/studip!3081

Closes #4242

Merge request studip/studip!3076

Closes #4233

Merge request studip/studip!3066

Closes #4226

Merge request studip/studip!3057

Fixes #4239.

Closes #4223

Merge request studip/studip!3055

Closes #4234

Merge request studip/studip!3067

Closes #4221

Merge request studip/studip!3064

Closes #4227

Merge request studip/studip!3058

Closes #4183

Merge request studip/studip!3072

Closes #4237

Merge request studip/studip!3070

Closes #4225

Merge request studip/studip!3062

Closes #4235

Merge request studip/studip!3069

Closes #4091

Merge request studip/studip!3071

Merge request studip/studip!3065

Closes #3962

Merge request studip/studip!2859

(cherry picked from commit 062a7f9a)

8c8a2717 fixed screen reader output for tooltips
90bb9ad0 removed random bytes generation
de8dea17 changed HTML of tooltips
3889963b added another possibility for tooltip content
93bcc22f removed unnecessary code from bootstrap/tooltip.js
039d1b19 use grid width for tooltips, disabled remaining code in bootstrap/tooltip.js
4ceb886e fixed typo
82479659 fixed errors, removed unused code
be9a55e8 re-formatted scss code
904c374a removed tooltip.js files
30c79de4 removed reference to lib/tooltip.js
c62fe83f removed reference to Tooltip object

Merge request studip/studip!3054

Closes #4072

Merge request studip/studip!2918

Merge request studip/studip!3048

Closes #4224

Merge request studip/studip!3056

Closes #4046

Merge request studip/studip!3047

(cherry picked from commit d28f3aff)

5f0d9a73 added aria-label text for icons on the profile page
42ffe4c7 added missing ARIA labels for icons on the profile page
4a6f9333 fixed position for title and aria-label attributes