After migrating to eslint some errors were disabled to make it easier to
migrate.
This enables all the lint rules and treats all warnings as a build
failure. Similarly, CI won't automatically try to fix mistakes.
Change-Id: I6d5ef39d476a38dd9a6ab98e3fb94da4c3ab2e57
tslint has been deprecated so it's nice to switch to eslint.
Currently this uses a minimal eslint, to get things up and running.
Change-Id: If0ca6413b534b0aa15f6130a0a809e002d817356
WHAT: unit tests for vue components and vuex store and environment for it
WHY: to cover frontend part with tests
Change-Id: I2aeaadb200176d4ba0a1406068304785e95d92cd
