Gerrit: Simplify query model
Gerrit: Simplify query model

Use plain QString for queries instead of QStringList

Change-Id: Ia8a9086937fa34bce91d62d7434b26aa33b41163
Reviewed-by: Friedemann Kleint <1b9f2592239daaec4856ccc1cfb4d2d55b35fb71@nokia.com>

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