User profile pages (favorites, created content, recent activity, security & access) (#1615)

* Super

* User profile page

* Fixing python style

* Python unit tests

* Touchups and js tests

* Addressing comments

superset/assets/javascripts/profile/components/RecentActivity.jsx

@@ -0,0 +1,44 @@
+import React from 'react';
+import TableLoader from './TableLoader';
+import moment from 'moment';
+import $ from 'jquery';
+
+const propTypes = {
+  user: React.PropTypes.object,
+};
+
+export default class RecentActivity extends React.PureComponent {
+  constructor(props) {
+    super(props);
+    this.state = {
+      recentActions: [],
+    };
+  }
+
+  componentWillMount() {
+    $.get(`/superset/recent_activity/${this.props.user.userId}/`, (data) => {
+      this.setState({ recentActions: data });
+    });
+  }
+  render() {
+    const mutator = function (data) {
+      return data.map(row => ({
+        action: row.action,
+        item: <a href={row.item_url}>{row.item_title}</a>,
+        time: moment.utc(row.time).fromNow(),
+        _time: row.time,
+      }));
+    };
+    return (
+      <div>
+        <TableLoader
+          className="table table-condensed"
+          mutator={mutator}
+          sortable
+          dataEndpoint={`/superset/recent_activity/${this.props.user.userId}/`}
+        />
+      </div>
+    );
+  }
+}
+RecentActivity.propTypes = propTypes;