[WiP] rename project from Caravel to Superset (#1576)

* Change in files

* Renamin files and folders

* cleaning up a single piece of lint

* Removing boat picture from docs

* add superset word mark

* Update rename note in docs

* Fixing images

* Pinning datatables

* Fixing issues with mapbox-gl

* Forgot to rename one file

* Linting

* v0.13.0

* adding pyyaml to dev-reqs

superset/assets/spec/javascripts/components/ModalTrigger_spec.jsx

@@ -0,0 +1,19 @@
+import React from 'react';
+import { expect } from 'chai';
+import { describe, it } from 'mocha';
+
+import ModalTrigger from '../../../javascripts/components/ModalTrigger';
+
+describe('ModalTrigger', () => {
+  const defaultProps = {
+    triggerNode: <i className="fa fa-link" />,
+    modalTitle: 'My Modal Title',
+    modalBody: <div>Modal Body</div>,
+  };
+
+  it('is a valid element', () => {
+    expect(
+      React.isValidElement(<ModalTrigger {...defaultProps} />)
+    ).to.equal(true);
+  });
+});