Merge pull request #1346 from cyian-1756/instagram_qhash_post_fix

Instagram ripper no long throws an error when it can't find the qhash…

src/main/java/com/rarchives/ripme/ripper/rippers/InstagramRipper.java

@@ -159,7 +159,8 @@ public JSONObject getFirstPage() throws IOException {
         Document p = resp.parse();
         // Get the query hash so we can download the next page
         qHash = getQHash(p);
-        if (qHash == null) {
+        // The qHash is not needed if ripping a single post
+        if (qHash == null && !url.toExternalForm().contains("/p/")) {
             throw new IOException("Unable to extract qhash from page");
         }
         return getJSONFromPage(p);