enhance data table for two datasets and client derived data (#559)

* rework data table, got to point of calling network request correctly

* got to point of rendering table columns and data

* finish up functional changes to data table

* fix tests

* fix styles for table container and data table

* clean up some styles

* update to styles for no host configured

* cleanup and docs

* add missing method for host table text formatting

* disabling unused test. will add back in next PR

* clean up code

frontend/components/TableContainer/DataTable/TextCell/TextCell.tsx

@@ -0,0 +1,21 @@
+import React from 'react';
+
+interface ITextCellProps {
+  value: string | number;
+  formatter?: (val: any) => string;
+}
+
+const TextCell = (props: ITextCellProps): JSX.Element => {
+  const {
+    value,
+    formatter = val => val, // identity function if no formatter is provided
+  } = props;
+
+  return (
+    <span>
+      {formatter(value)}
+    </span>
+  );
+};
+
+export default TextCell;