Update the changelog.
Update the changelog.

The QNX plugin is not experimental anymore.

Change-Id: I10dc94135c7b54ab615612c4a2a6345ad0531d5d
Reviewed-by: Eike Ziller <c142da16c73a95a82d35191bcc55b22835617128@digia.com>

syntheticpp/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,syntheticpp/qt-creator,Distrotech/qtcreator,danimo/qt-creator,xianian/qt-creator,syntheticpp/qt-creator,amyvmiwei/qt-creator,duythanhphan/qt-creator,farseerri/git_code,kuba1/qtcreator,martyone/sailfish-qtcreator,malikcjm/qtcreator,darksylinc/qt-creator,omniacreator/qtcreator,darksylinc/qt-creator,danimo/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,darksylinc/qt-creator,AltarBeastiful/qt-creator,xianian/qt-creator,danimo/qt-creator,danimo/qt-creator,Distrotech/qtcreator,richardmg/qtcreator,richardmg/qtcreator,AltarBeastiful/qt-creator,syntheticpp/qt-creator,xianian/qt-creator,richardmg/qtcreator,Distrotech/qtcreator,richardmg/qtcreator,colede/qtcreator,syntheticpp/qt-creator,xianian/qt-creator,duythanhphan/qt-creator,farseerri/git_code,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,darksylinc/qt-creator,darksylinc/qt-creator,maui-packages/qt-creator,xianian/qt-creator,colede/qtcreator,duythanhphan/qt-creator,colede/qtcreator,xianian/qt-creator,AltarBeastiful/qt-creator,farseerri/git_code,syntheticpp/qt-creator,xianian/qt-creator,maui-packages/qt-creator,farseerri/git_code,kuba1/qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,darksylinc/qt-creator,amyvmiwei/qt-creator,maui-packages/qt-creator,richardmg/qtcreator,duythanhphan/qt-creator,kuba1/qtcreator,colede/qtcreator,colede/qtcreator,farseerri/git_code,AltarBeastiful/qt-creator,kuba1/qtcreator,malikcjm/qtcreator,amyvmiwei/qt-creator,xianian/qt-creator,richardmg/qtcreator,darksylinc/qt-creator,kuba1/qtcreator,Distrotech/qtcreator,AltarBeastiful/qt-creator,malikcjm/qtcreator,syntheticpp/qt-creator,malikcjm/qtcreator,malikcjm/qtcreator,Distrotech/qtcreator,omniacreator/qtcreator,malikcjm/qtcreator,kuba1/qtcreator,duythanhphan/qt-creator,AltarBeastiful/qt-creator,maui-packages/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,omniacreator/qtcreator,amyvmiwei/qt-creator,darksylinc/qt-creator,farseerri/git_code,kuba1/qtcreator,colede/qtcreator,omniacreator/qtcreator,omniacreator/qtcreator,xianian/qt-creator,malikcjm/qtcreator,omniacreator/qtcreator,farseerri/git_code,AltarBeastiful/qt-creator,Distrotech/qtcreator,maui-packages/qt-creator,maui-packages/qt-creator,amyvmiwei/qt-creator,danimo/qt-creator,omniacreator/qtcreator,duythanhphan/qt-creator,danimo/qt-creator,maui-packages/qt-creator,amyvmiwei/qt-creator,colede/qtcreator,amyvmiwei/qt-creator,duythanhphan/qt-creator,kuba1/qtcreator,richardmg/qtcreator,danimo/qt-creator,farseerri/git_code