Implement Schema Editor interface
- create three-column layout
- make layout easily resizeable and adjustable (jQuery UI Layout)
- brand UI colors
- load hidden ->show when done
(from redmine: issue id 328, created on 2018-01-22tgradl, closed on 2018-01-22)
- Relations:
- relates #325
- relates #297
- relates #333 (closed)
- relates #364 (closed)
- relates #359 (closed)
- relates #351 (closed)
- relates #365 (closed)
- relates #369 (closed)
- relates #370 (closed)
- relates #371 (closed)
- relates #372 (closed)
- duplicates #296