This one just moves the Decoration enum into InsetLayout, changing the names
to avoid possible conflicts now that it is in the lyx namespace.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@23135 a592a061-630c-0410-9148-cb99ea01b6c8
Here, we move TextClass::readInsetLayout() to InsetLayout::read().
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@23117 a592a061-630c-0410-9148-cb99ea01b6c8