QmlJS: Mark invalid urls and files in url properties as an error.
QmlJS: Mark invalid urls and files in url properties as an error.

Reviewed-by: Erik Verbruggen

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