DRILL-6883: Force reload of options after resetting parameter
If an update is initiated, the webpage loaded changes. Attempting a reset tries to reload this page, but it does not show the updated values from the back end.
This patch forces the reload of updated values by redirecting to /options page
Use AJAX call for Update and Reset
Eliminates the need for window.location=<redirectURL>
is Number check
Added comments to explain extraction
close apache/drill#1563