Refactor/change to cope with user reg form

src/App.vue

src/components/LoginSystem.vue

src/components/Logout.vue

src/components/MapPOI.vue

src/components/Observation.vue

src/components/ObservationList.vue

src/components/PlacesList.vue

src/components/RegisterUserForm.vue

src/locales/en.json

src/locales/nb.json

src/main.js

src/router/index.js

static/css/vipsobsapp.css