Fix lint errors and update travis NPM version.

.eslintrc.json

@@ -11,9 +11,11 @@
     "browser": true,
     "meteor": true
   },
+  "parser": "babel-eslint",
   "parserOptions": {
     "ecmaVersion": 2018,
-    "sourceType": "module"
+    "sourceType": "module",
+    "allowImportExportEverywhere": true
   },
   "rules": {
     "strict": 0,

.travis.yml

@@ -4,7 +4,7 @@ sudo: required
 env:
   TRAVIS_DOCKER_COMPOSE_VERSION: 1.24.0
   TRAVIS_NODE_VERSION: 8.16.2
-  TRAVIS_NPM_VERSION: 6.4.1
+  TRAVIS_NPM_VERSION: 6.13.0
 
 before_install:
   - sudo apt-get update -y