message: rollback vue-property-decorator until they fix build issues
diff: "vue-class-component": "5.0.2",
  "vue-color": "2.2.3",
  "vue-gettext": "gamejolt/vue-gettext#params",
  - "vue-property-decorator": "5.2.0",
  + "vue-property-decorator": "5.1.1",
  "vue-router": "2.7.0",
  "vue-server-renderer": "2.4.2",
  "vue-shortkey": "2.1.9",
  