Doc: do not link to external pages over https

Replaced "https" with "http" (where redirecting works)
as a workaround for a bug that causes Qt Creator to crash
when trying to open external links using https.

Task-number: QTCREATORBUG-9397
Change-Id: If331eaffd2296a79f6e6f1ee7becd725d2aadb1d
Reviewed-by: Karsten Heimrich <karsten.heimrich@digia.com>

doc/src/linux-mobile/creator-publish-maemo-extras-devel.qdoc

@@ -42,7 +42,7 @@
     You can upload free applications as Debian packages to
     \l{http://wiki.maemo.org/Extras-devel}{Extras-devel} at Maemo.org to share
     new updates to your application and to start the community QA process.
-    You need a \l{https://garage.maemo.org/}{Garage} account for the uploads,
+    You need a \l{http://garage.maemo.org/}{Garage} account for the uploads,
     but the package itself does not need to be hosted in the Garage.
 
     You can use the \gui {Publish for Fremantle Extras-devel Free Repository}

doc/src/linux-mobile/maemodev.qdoc

@@ -68,7 +68,7 @@
        Only needed if you develop on Windows and if you use a USB connection
        to run applications on the device. The drivers are
        installed as part of the Qt 4 SDK. You can also download them from
-       \l{https://garage.maemo.org/frs/?group_id=801&release_id=2655}{PC Connectivity}
+       \l{http://garage.maemo.org/frs/?group_id=801&release_id=2655}{PC Connectivity}
        on the Maemo web site. Download and install the latest
        PC_Connectivity_<version>.exe (at the time of writing,
        PC_Connectivity_0.9.4.exe).