QmlJS: Set default import paths in constructor.
QmlJS: Set default import paths in constructor.

Also, remove the import path of the Qt that Creator was built with. It
might make things seem to work on built-from-source Creators that will
fail when Creator is shipped.

Reviewed-by: Erik Verbruggen

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