Upgrade frontend libraries
- jquery
- twbs
(from redmine: issue id 1246, created on 2019-01-09tgradl, closed on 2019-02-27)
- Relations:
- child #1249
- child #1251
- child #1252
- parent #1245
(from redmine: issue id 1246, created on 2019-01-09tgradl, closed on 2019-02-27)