Re-add important information about Symbian installation dependencies.
Re-add important information about Symbian installation dependencies.

Reviewed-by: Leena Miettinen

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