Doc: add rules for UI text
Doc: add rules for UI text

Use double quotes if you need quotes.
Use QDir::toNativeSeparators() for file and directory names that you
pass to \c{tr().arg().
Do not use markup that spans the whole string.

Change-Id: I364f5b12d2d9c68c104bf8ff6a12d9e4fbab4514
Reviewed-by: Friedemann Kleint <1b9f2592239daaec4856ccc1cfb4d2d55b35fb71@digia.com>

maui-packages/qt-creator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,maui-packages/qt-creator,xianian/qt-creator,kuba1/qtcreator,xianian/qt-creator,danimo/qt-creator,farseerri/git_code,danimo/qt-creator,kuba1/qtcreator,kuba1/qtcreator,kuba1/qtcreator,kuba1/qtcreator,kuba1/qtcreator,colede/qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,amyvmiwei/qt-creator,xianian/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,xianian/qt-creator,AltarBeastiful/qt-creator,danimo/qt-creator,AltarBeastiful/qt-creator,farseerri/git_code,xianian/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,maui-packages/qt-creator,Distrotech/qtcreator,amyvmiwei/qt-creator,xianian/qt-creator,farseerri/git_code,martyone/sailfish-qtcreator,colede/qtcreator,martyone/sailfish-qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,colede/qtcreator,farseerri/git_code,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,colede/qtcreator,maui-packages/qt-creator,farseerri/git_code,amyvmiwei/qt-creator,kuba1/qtcreator,Distrotech/qtcreator,xianian/qt-creator,maui-packages/qt-creator,AltarBeastiful/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,colede/qtcreator,danimo/qt-creator,danimo/qt-creator,Distrotech/qtcreator,maui-packages/qt-creator,farseerri/git_code,maui-packages/qt-creator,AltarBeastiful/qt-creator,danimo/qt-creator,danimo/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,colede/qtcreator,danimo/qt-creator,amyvmiwei/qt-creator,colede/qtcreator,farseerri/git_code,farseerri/git_code