remove support for non-lowercased $$eXpaNd() functions
remove support for non-lowercased $$eXpaNd() functions

we have been warning about such functions for a while now, now execute.
the qmake language is (generally) case-sensitive, so this wasn't all
that useful anyway.

Change-Id: I1388ac2d5a1104389aeb3347e739a0d5e69e138d
Reviewed-by: Qt Doc Bot <2a514da5c3a85c7f105348b2fece084b6f59062f@qt-project.org>
Reviewed-by: Joerg Bornemann <47777b9406dbddd02a3fdca8341789a013805a11@nokia.com>
(cherry picked from qtbase/b04192d94b9fb680f99ae38ff008919c0ad371ea)
Reviewed-by: Joerg Bornemann <47777b9406dbddd02a3fdca8341789a013805a11@digia.com>

duythanhphan/qt-creator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,farseerri/git_code,kuba1/qtcreator,omniacreator/qtcreator,colede/qtcreator,colede/qtcreator,danimo/qt-creator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,Distrotech/qtcreator,maui-packages/qt-creator,malikcjm/qtcreator,malikcjm/qtcreator,richardmg/qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,duythanhphan/qt-creator,darksylinc/qt-creator,kuba1/qtcreator,maui-packages/qt-creator,maui-packages/qt-creator,amyvmiwei/qt-creator,richardmg/qtcreator,omniacreator/qtcreator,amyvmiwei/qt-creator,duythanhphan/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,maui-packages/qt-creator,xianian/qt-creator,AltarBeastiful/qt-creator,darksylinc/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,darksylinc/qt-creator,danimo/qt-creator,richardmg/qtcreator,omniacreator/qtcreator,Distrotech/qtcreator,duythanhphan/qt-creator,malikcjm/qtcreator,AltarBeastiful/qt-creator,farseerri/git_code,amyvmiwei/qt-creator,omniacreator/qtcreator,maui-packages/qt-creator,darksylinc/qt-creator,xianian/qt-creator,farseerri/git_code,kuba1/qtcreator,colede/qtcreator,AltarBeastiful/qt-creator,richardmg/qtcreator,farseerri/git_code,duythanhphan/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,xianian/qt-creator,kuba1/qtcreator,malikcjm/qtcreator,omniacreator/qtcreator,kuba1/qtcreator,farseerri/git_code,maui-packages/qt-creator,colede/qtcreator,danimo/qt-creator,duythanhphan/qt-creator,AltarBeastiful/qt-creator,xianian/qt-creator,danimo/qt-creator,Distrotech/qtcreator,darksylinc/qt-creator,danimo/qt-creator,AltarBeastiful/qt-creator,richardmg/qtcreator,omniacreator/qtcreator,darksylinc/qt-creator,colede/qtcreator,richardmg/qtcreator,amyvmiwei/qt-creator,malikcjm/qtcreator,kuba1/qtcreator,danimo/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,duythanhphan/qt-creator,malikcjm/qtcreator,darksylinc/qt-creator,martyone/sailfish-qtcreator,farseerri/git_code,farseerri/git_code,xianian/qt-creator,Distrotech/qtcreator,danimo/qt-creator,richardmg/qtcreator,martyone/sailfish-qtcreator,darksylinc/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,AltarBeastiful/qt-creator,maui-packages/qt-creator,amyvmiwei/qt-creator,kuba1/qtcreator,xianian/qt-creator,malikcjm/qtcreator,colede/qtcreator,omniacreator/qtcreator,danimo/qt-creator,colede/qtcreator