added vue-meta plugin, fixed article prev next, fixed page title on articles

package.json

@@ -23,7 +23,6 @@
     "vue-autofocus-directive": "^1.0.4",
     "vue-cool-lightbox": "^2.6.9",
     "vue-infinite-loading": "^2.4.5",
-    "vue-meta": "^2.4.0",
     "vue-router": "^3.4.9",
     "vue-vimeo-player": "^0.1.0",
     "vue-youtube-embed": "^2.2.2",
@@ -68,6 +67,7 @@
     "vue-jest": "^3.0.7",
     "vue-js-modal": "^2.0.0-rc.6",
     "vue-loader": "^15.9.5",
+    "vue-meta": "^2.4.0",
     "vue-server-renderer": "^2.6.12",
     "vue-style-loader": "^4.1.2",
     "vue-template-compiler": "^2.6.12",