permit slashes in braced qmake identifiers
permit slashes in braced qmake identifiers

this permits referencing qt 5 FOO/raw properties

Change-Id: Ib6c65b9975eb74466dbf38d0b932caac9b392b7a
Reviewed-by: Friedemann Kleint <1b9f2592239daaec4856ccc1cfb4d2d55b35fb71@nokia.com>

kuba1/qtcreator,KDE/android-qt-creator,KDE/android-qt-creator,maui-packages/qt-creator,Distrotech/qtcreator,malikcjm/qtcreator,KDE/android-qt-creator,kuba1/qtcreator,KDAB/KDAB-Creator,Distrotech/qtcreator,farseerri/git_code,amyvmiwei/qt-creator,Distrotech/qtcreator,malikcjm/qtcreator,richardmg/qtcreator,syntheticpp/qt-creator,ostash/qt-creator-i18n-uk,danimo/qt-creator,danimo/qt-creator,danimo/qt-creator,KDE/android-qt-creator,xianian/qt-creator,colede/qtcreator,AltarBeastiful/qt-creator,darksylinc/qt-creator,AltarBeastiful/qt-creator,maui-packages/qt-creator,duythanhphan/qt-creator,KDAB/KDAB-Creator,xianian/qt-creator,farseerri/git_code,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,colede/qtcreator,darksylinc/qt-creator,amyvmiwei/qt-creator,syntheticpp/qt-creator,malikcjm/qtcreator,syntheticpp/qt-creator,maui-packages/qt-creator,colede/qtcreator,kuba1/qtcreator,duythanhphan/qt-creator,amyvmiwei/qt-creator,kuba1/qtcreator,maui-packages/qt-creator,xianian/qt-creator,Distrotech/qtcreator,syntheticpp/qt-creator,xianian/qt-creator,richardmg/qtcreator,darksylinc/qt-creator,Distrotech/qtcreator,syntheticpp/qt-creator,kuba1/qtcreator,duythanhphan/qt-creator,kuba1/qtcreator,richardmg/qtcreator,colede/qtcreator,xianian/qt-creator,malikcjm/qtcreator,omniacreator/qtcreator,duythanhphan/qt-creator,martyone/sailfish-qtcreator,farseerri/git_code,AltarBeastiful/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,colede/qtcreator,KDAB/KDAB-Creator,kuba1/qtcreator,darksylinc/qt-creator,KDE/android-qt-creator,omniacreator/qtcreator,KDE/android-qt-creator,darksylinc/qt-creator,ostash/qt-creator-i18n-uk,darksylinc/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,danimo/qt-creator,ostash/qt-creator-i18n-uk,KDAB/KDAB-Creator,ostash/qt-creator-i18n-uk,colede/qtcreator,maui-packages/qt-creator,omniacreator/qtcreator,ostash/qt-creator-i18n-uk,danimo/qt-creator,KDAB/KDAB-Creator,danimo/qt-creator,maui-packages/qt-creator,AltarBeastiful/qt-creator,duythanhphan/qt-creator,KDE/android-qt-creator,richardmg/qtcreator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,omniacreator/qtcreator,ostash/qt-creator-i18n-uk,farseerri/git_code,martyone/sailfish-qtcreator,syntheticpp/qt-creator,darksylinc/qt-creator,ostash/qt-creator-i18n-uk,maui-packages/qt-creator,amyvmiwei/qt-creator,malikcjm/qtcreator,danimo/qt-creator,colede/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,duythanhphan/qt-creator,kuba1/qtcreator,farseerri/git_code,syntheticpp/qt-creator,martyone/sailfish-qtcreator,farseerri/git_code,darksylinc/qt-creator,danimo/qt-creator,omniacreator/qtcreator,Distrotech/qtcreator,richardmg/qtcreator,martyone/sailfish-qtcreator,farseerri/git_code,xianian/qt-creator,martyone/sailfish-qtcreator,duythanhphan/qt-creator,KDAB/KDAB-Creator,omniacreator/qtcreator,malikcjm/qtcreator,xianian/qt-creator,richardmg/qtcreator,malikcjm/qtcreator,kuba1/qtcreator,omniacreator/qtcreator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,KDE/android-qt-creator,richardmg/qtcreator,Distrotech/qtcreator,AltarBeastiful/qt-creator,farseerri/git_code,xianian/qt-creator,AltarBeastiful/qt-creator