* Encode URL set to rd parameter.
URL encoding that parameter solves PR #476.
Some URL parameters set during redirection were magically disappearing
after the redirection due to the authentication process. By using URL encoding,
those parameters should not be stripped anymore.
* Fix integration tests.
Instead of checking the value of the cookie expiration we rely
on the boolean stored in the user session to check whether inactivity
timeout should be disabled.
Providing a GA tracking ID allows administrators to analyze
how the portal is used by their users in large environments,
i.e., with many users.
This will make even more sense when we have users and admins
management interfaces.
