Lots of fixes and upgrades to make it work

README.md

config.xml

package.json

src/components/CommonUtil.vue

src/components/LoginSystem.vue

src/components/MapObservation.vue

src/components/MapPOI.vue

src/components/Observation.vue

src/components/ObservationIllustration.vue

src/components/ObservationIllustrationBoard.vue

src/components/Quantification.vue

src/components/Sync.vue

src/components/Visibility.vue

src/components/Welcome.vue

src/main.js