Fixed centering and background of welcomepage
Fixed centering and background of welcomepage

We still need a more decorative background but I
reintroduced the gradient for now.

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