Noticing some strangeness in Casa docs

[willow9886]

https://gluu.org/docs/casa/developer/

for instance, this page is getting confused into the plugin.. can you take a look @shmorri

[shmorri]

I added a simple page to act as a placeholder for the nav, then @ganesh-at-wiw set up a redirect from that page. It looks like the links are now acting as expected.