Pivot implementation and redesign (#69)

- Pivot support implementation 
- Rename queries into inquiries
- Rename editor into workspace
- Change result set format
- New JSON format for inquiries
- Redesign panels

src/components/DbUploader.vue

@@ -1,6 +1,6 @@
 <template>
   <div class="db-uploader-container" :style="{ width }">
-    <change-db-icon v-if="type === 'small'" @click.native="browse"/>
+    <change-db-icon v-if="type === 'small'" @click="browse"/>
     <div v-if="type === 'illustrated'" class="drop-area-container">
       <div
         class="drop-area"
@@ -110,8 +110,8 @@ export default {
 
     async finish () {
       this.$store.commit('setDb', this.newDb)
-      if (this.$route.path !== '/editor') {
-        this.$router.push('/editor')
+      if (this.$route.path !== '/workspace') {
+        this.$router.push('/workspace')
       }
     },