WelcomePage: fix for painting bug
WelcomePage: fix for painting bug

The width and height is defined for the designer.

Change-Id: I8ac941a417f16f1cc960ef72395c197a545168bf
Reviewed-on: http://codereview.qt-project.org/5730
Reviewed-by: Eike Ziller <c142da16c73a95a82d35191bcc55b22835617128@nokia.com>

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