Updated year in copyright header

find . -path '*/3rdparty/*' -prune -o -type f -print | xargs -L1 sed -i -E 's/Copyright(.*) 2013 Digia/Copyright\1 2014 Digia/g'

Manually patched files:

demos/spectrum/3rdparty/fftreal/fftreal_wrapper.h
demos/spectrum/3rdparty/fftreal/fftreal_wrapper.cpp
src/3rdparty/s60/eiksoftkeyimage.h
tools/qdoc3/test/qt-project.qdocconf
tests/auto/qsharedpointer/nontracked.h
tests/auto/qsharedpointer/nontracked.cpp

Change-Id: I3f9074923b4d6bd4666258ab04f01476cc6e901c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>