Better error reporting when failing to open settings database
Better error reporting when failing to open settings database

Mention the filename and the driver error text (though this last thing
doesn't seem that useful). Also, don't spam with failures afterwards
when the database failed to open.

duythanhphan/qt-creator,amyvmiwei/qt-creator,colede/qtcreator,malikcjm/qtcreator,KDE/android-qt-creator,darksylinc/qt-creator,pcacjr/qt-creator,Distrotech/qtcreator,colede/qtcreator,martyone/sailfish-qtcreator,maui-packages/qt-creator,malikcjm/qtcreator,richardmg/qtcreator,omniacreator/qtcreator,colede/qtcreator,sandsmark/qtcreator-minimap,enricoros/k-qt-creator-inspector,danimo/qt-creator,kuba1/qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,jonnor/qt-creator,danimo/qt-creator,KDE/android-qt-creator,sandsmark/qtcreator-minimap,renatofilho/QtCreator,darksylinc/qt-creator,darksylinc/qt-creator,farseerri/git_code,KDAB/KDAB-Creator,maui-packages/qt-creator,bakaiadam/collaborative_qt_creator,maui-packages/qt-creator,KDAB/KDAB-Creator,yinyunqiao/qtcreator,kuba1/qtcreator,darksylinc/qt-creator,AltarBeastiful/qt-creator,kuba1/qtcreator,maui-packages/qt-creator,amyvmiwei/qt-creator,danimo/qt-creator,KDAB/KDAB-Creator,hdweiss/qt-creator-visualizer,KDE/android-qt-creator,sandsmark/qtcreator-minimap,syntheticpp/qt-creator,amyvmiwei/qt-creator,jonnor/qt-creator,farseerri/git_code,hdweiss/qt-creator-visualizer,omniacreator/qtcreator,danimo/qt-creator,ostash/qt-creator-i18n-uk,malikcjm/qtcreator,kuba1/qtcreator,amyvmiwei/qt-creator,hdweiss/qt-creator-visualizer,bakaiadam/collaborative_qt_creator,syntheticpp/qt-creator,syntheticpp/qt-creator,pcacjr/qt-creator,farseerri/git_code,danimo/qt-creator,jonnor/qt-creator,AltarBeastiful/qt-creator,yinyunqiao/qtcreator,colede/qtcreator,malikcjm/qtcreator,azat/qtcreator,danimo/qt-creator,bakaiadam/collaborative_qt_creator,AltarBeastiful/qt-creator,yinyunqiao/qtcreator,hdweiss/qt-creator-visualizer,Distrotech/qtcreator,syntheticpp/qt-creator,darksylinc/qt-creator,azat/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,darksylinc/qt-creator,farseerri/git_code,ostash/qt-creator-i18n-uk,farseerri/git_code,richardmg/qtcreator,richardmg/qtcreator,kuba1/qtcreator,malikcjm/qtcreator,yinyunqiao/qtcreator,renatofilho/QtCreator,bakaiadam/collaborative_qt_creator,enricoros/k-qt-creator-inspector,duythanhphan/qt-creator,darksylinc/qt-creator,farseerri/git_code,maui-packages/qt-creator,jonnor/qt-creator,KDE/android-qt-creator,omniacreator/qtcreator,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,duythanhphan/qt-creator,pcacjr/qt-creator,richardmg/qtcreator,richardmg/qtcreator,dmik/qt-creator-os2,duythanhphan/qt-creator,azat/qtcreator,Distrotech/qtcreator,farseerri/git_code,yinyunqiao/qtcreator,malikcjm/qtcreator,malikcjm/qtcreator,bakaiadam/collaborative_qt_creator,enricoros/k-qt-creator-inspector,hdweiss/qt-creator-visualizer,danimo/qt-creator,duythanhphan/qt-creator,pcacjr/qt-creator,pcacjr/qt-creator,kuba1/qtcreator,renatofilho/QtCreator,KDE/android-qt-creator,richardmg/qtcreator,duythanhphan/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,darksylinc/qt-creator,AltarBeastiful/qt-creator,azat/qtcreator,omniacreator/qtcreator,amyvmiwei/qt-creator,maui-packages/qt-creator,enricoros/k-qt-creator-inspector,jonnor/qt-creator,AltarBeastiful/qt-creator,jonnor/qt-creator,danimo/qt-creator,syntheticpp/qt-creator,KDE/android-qt-creator,xianian/qt-creator,dmik/qt-creator-os2,bakaiadam/collaborative_qt_creator,martyone/sailfish-qtcreator,danimo/qt-creator,sandsmark/qtcreator-minimap,martyone/sailfish-qtcreator,azat/qtcreator,xianian/qt-creator,Distrotech/qtcreator,yinyunqiao/qtcreator,enricoros/k-qt-creator-inspector,KDE/android-qt-creator,ostash/qt-creator-i18n-uk,syntheticpp/qt-creator,bakaiadam/collaborative_qt_creator,AltarBeastiful/qt-creator,azat/qtcreator,syntheticpp/qt-creator,dmik/qt-creator-os2,sandsmark/qtcreator-minimap,duythanhphan/qt-creator,KDAB/KDAB-Creator,ostash/qt-creator-i18n-uk,renatofilho/QtCreator,amyvmiwei/qt-creator,renatofilho/QtCreator,enricoros/k-qt-creator-inspector,Distrotech/qtcreator,KDAB/KDAB-Creator,dmik/qt-creator-os2,xianian/qt-creator,xianian/qt-creator,kuba1/qtcreator,KDAB/KDAB-Creator,ostash/qt-creator-i18n-uk,omniacreator/qtcreator,renatofilho/QtCreator,farseerri/git_code,sandsmark/qtcreator-minimap,martyone/sailfish-qtcreator,colede/qtcreator,richardmg/qtcreator,pcacjr/qt-creator,hdweiss/qt-creator-visualizer,xianian/qt-creator,omniacreator/qtcreator,maui-packages/qt-creator,xianian/qt-creator,KDE/android-qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,enricoros/k-qt-creator-inspector,omniacreator/qtcreator,yinyunqiao/qtcreator,dmik/qt-creator-os2,amyvmiwei/qt-creator,pcacjr/qt-creator,dmik/qt-creator-os2,ostash/qt-creator-i18n-uk,kuba1/qtcreator,colede/qtcreator,kuba1/qtcreator,ostash/qt-creator-i18n-uk,dmik/qt-creator-os2,Distrotech/qtcreator,colede/qtcreator