Add new cqi method to get data for the new corpus overview

app/static/js/CorpusAnalysis/CQiClient.js

@@ -98,6 +98,25 @@ class CQiCorpus {
     this.subcorpora = new CQiSubcorpusCollection(this.socket, this);
   }
 
+  getCorpusData() {
+    return new Promise((resolve, reject) => {
+      const dummyData = {};
+
+      resolve(dummyData);
+      /*
+      const args = {corpus_name: this.name};
+
+      this.socket.emit('cqi.corpora.corpus.getCorpusData', args, response => {
+        if (response.code === 200) {
+          resolve(response.payload);
+        } else {
+          reject(response);
+        }
+      });
+      */
+    })
+  }
+
   drop() {
     return new Promise((resolve, reject) => {
       const args = {corpus_name: this.name};