QmlJS checks: Don't complain about alias properties.
QmlJS checks: Don't complain about alias properties.

Change-Id: I6721b42a6ae8cc4de3d85754bf12c95f7366212e
Reviewed-on: http://codereview.qt-project.org/4395
Reviewed-by: Christian Kamm <687e37a7866f5c6d83feb41198eb6d862161a68b@nokia.com>

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