Make a URL with absent authority be different from one with an empty one

This partially reverts 5764f5e6eaf149116a818658883cf4fae9830f30 and
fixes the problem differently.

After this commit, "file:///foo" is still equal to "file:/foo", but
"foo:///foo" becomes different from "foo:/foo", as it should be.

Task-number: QTBUG-36151
Change-Id: Ia38638b0f30a7dcf110aa89aa427254c007fc107
Reviewed-by: David Faure <david.faure@kdab.com>
Android: Build fix for "-no-widgets"

This fixes compilation of Qt for Android when configured with
"-no-widgets". One good use-case for that configure switch is
that QtSvg loses the dependency to QtWidgets.

Change-Id: I8a645d9fee6ce0467ff0b5d1d62531b7c6272aab
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Remove qSort usages from network tests

QtAlgorithms is getting deprecated,
see http://www.mail-archive.com/development@qt-project.org/msg01603.html

Change-Id: I31a701d8e17673edcb9bb7c32e6e6a87812a7fbc
Reviewed-by: Peter Hartmann <phartmann@blackberry.com>
Reviewed-by: Richard J. Moore <rich@kde.org>