available to tex2lyx. The point is to move the crucial routines that
deal with modules out of BufferParams.cpp, which tex2lyx does not have,
and into TextClass.cpp, which it does.
This is all cleanup that makes a lot of sense independently.
Note that LayoutModuleList will shortly become a real class.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@28456 a592a061-630c-0410-9148-cb99ea01b6c8
