Results-less search results page shows irrelevant "HelpOnActions"

[Matthew Paul Thomas]

1. Go to <https://dev.launchpad.net/>.
2. In the search field, enter "cheese".

What happens:
* The resulting page has the address <https://dev.launchpad.net/HelpOnActions?action=fullsearch&context=180&value=cheese>.
* The page says "Your search query 'cheese' didn't return any results.".
* The page then goes on to talk about how "Actions are tools that work on a page or the whole wiki, but unlike macros they do not add to the page content when viewing a page, rather they work on that page content...", which is completely irrelevant.

What should happen:
* The URL of the resulting page should not contain "HelpOnActions". (And that "&context=180" is redundant, too.)
* The page says "Your search 'cheese' didn't return any results.".
* The page doesn't discuss anything other than your search.

[Andrea Corbellini (andrea.corbellini)]

This is because the "searchform" form's action is /HelpOnActions:

<form id="searchform" method="get" action="/HelpOnActions">

[Andrea Corbellini (andrea.corbellini)]

I've added the MoinMoin project for mistake.