Update version number on frontend (#730)

* Update version number on frontend

- add verion to download packet
- add verison to side panel
- update snaphots
- add version to constant file

* Add minor UI changes from QA

- adjust copy in download package
- update tests

* Refactor all intl code and will add page tests

- remove all copy app wide and place into respective data/copy folder
- adds tests for each page
- allow product to make copy changes in one place
- prepare for spanish language effort

client/src/pages/contact.test.tsx

@@ -0,0 +1,16 @@
+import * as React from 'react';
+import {render} from '@testing-library/react';
+import {LocalizedComponent} from '../test/testHelpers';
+import Contact from './contact';
+
+describe('rendering of the DatasetContainer', () => {
+  const {asFragment} = render(
+      <LocalizedComponent>
+        <Contact location={window.location}/>
+      </LocalizedComponent>,
+  );
+
+  it('checks if various text fields are visible', () => {
+    expect(asFragment()).toMatchSnapshot();
+  });
+});