I've just build gretl from sources on a Ubuntu 16.04. When I try to
install gig addon, gretl shows a error:
<html>
<head>
<title>404 Not Found</title>
</head>
<body>
<h1>404 Not Found</h1>
The resource could not be found.<br /
Why?, while the other packages run well.
Matteo Foglia