chore(project): require node 10

Author: bendrucker

.travis.yml

@@ -2,12 +2,8 @@ language: node_js
 node_js:
  - 'node'
  - '10'
- - '8'
 script:
 - npm run all
-before_install:
-  - if [[ `node -v` == v8* ]]; then npm i -g npm@latest-5; fi
-  - if [[ `node -v` != v8* ]]; then npm i -g npm@latest-6; fi
 deploy:
   provider: npm
   email: git_nikku@nixis.de

package.json

@@ -61,6 +61,6 @@
     "watchify": ">=3 <4"
   },
   "engines": {
-    "node": ">=8"
+    "node": ">=10"
   }
 }