qt.pro: Fix dependencies for qtconnectivity

Remove the hard dependency on qtsystems and changing it
with a hard dependency on qtbase and a optional dependency
on qtdeclarative instead.

Change-Id: I96a4d3b38df588489e5ff4a704ea1e4fcbdb620c
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
move changelog entry before the real footers

the change-id will be added at the end, which will look just plain
stupid if the other "real" footers come above the changelog.
also, a smart log author would integrate the changelog entry into the
flow of the message, so further up in the template is more natural.

Change-Id: I053840a81ea62f2e0ad1bd133f2e7a2692a6f2d6
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Ignore auto-generated file .qmake.super

Added rule in .gitignore for .qmake.super.
This file is generated when building Qt from the root dir.

Task-number: QTBUG-33439
Change-Id: Ic15b10e9c7cb175f2ff102f75d08110acf13a0cd
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>