bugfix: kg dataset previewer URL

chore: travis check on version adv

* bugfix: unit test on nehubaContainer.component.ts
chore: distinguish background in region sidebar menu
chore: typing for injection tokens
ui: move atlas selector to top right
chore+refactor: clean ng viewer store helper
chore+refactor: turn const into enums
chore+refactor: viewerState.store
refactor: nehubaViewerUnit into nehubaModule
refactor: databrowser feature store -> separate module for unit tests

* chore: region directive

* chore: fixlint
chore: travis ci test build

* chore: reenabled unit tests

* trigger travis

* bugfix: backend tests

* fix region coloring

* update release notes

* Add test case to change template coloring bug #543

* small changes for fix bug #543

* Chore travisci (#548)

add travis ci

* fix travis e2e (#549)

* fix travis e2e test

* fix travis e2e

* debug travis e2e

* fix travis e2e

* Chore debug travis e2e (#551)

fix travis ci

* Update index.html (#571)

Co-authored-by: fsdavid <daviti1@mail.com>

fix travis ci

add travis ci