QmlJSEditor: Don't warn about failing dumps if dumper is from 2.1
QmlJSEditor: Don't warn about failing dumps if dumper is from 2.1

Ignore dumper failures if dumper is from 2.1. This is the case e.g.
for the time being with the Qt SDK 1.1. The type info might still
be available if a .qmltypes file is available.

Task-number: QTCREATORBUG-4380
Reviewed-by: Erik Verbruggen

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