Doc: update info about building the docs
Doc: update info about building the docs

Change-Id: I80de9d6b13e286f9eb95efc69b5b4b5256541f2f
Reviewed-by: Jerome Pasion <c10995d24f6b454503389e8d00d837aef038985d@digia.com>

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