Improve visually text classes paper and foils

This does not change output, only GUI.

paper: make sure that the starred sections use proper sans serif on screen.

foils: add relevant categories to layouts

lib/layouts/foils.layout

@@ -42,6 +42,7 @@ End
 
 
 Style Foilhead
+	Category              Sectioning
 	TocLevel              1
 	Margin                Static
 	LatexType             Command
@@ -82,6 +83,7 @@ End
 Input stdlists.inc
 
 Style TickList
+	Category              List
 	Margin                Static
 	LatexType             Item_Environment
 	LatexName             dinglist
@@ -101,6 +103,7 @@ Style TickList
 End
 
 Style CrossList
+	Category              List
 	Margin                Static
 	LatexType             Item_Environment
 	LatexName             dinglist
@@ -160,6 +163,7 @@ End
 
 # Header definitions:
 Style My_Logo
+	Category              FrontMatter
 	Margin                Static
 	LatexType             Command
 	LatexName             MyLogo

lib/layouts/paper.layout

@@ -33,18 +33,13 @@ Input stdstruct.inc
 Input lyxmacros.inc
 Input stdlayouts.inc
 Input stdfloats.inc
-Input stdsections.inc
-Input stdstarsections.inc
 Input stdlists.inc
 Input stdcounters.inc
 Input stdciteformats.inc
 
-# There are no chapters in a paper.
-NoStyle                 Chapter
-NoCounter               chapter
-NoStyle                 Chapter*
+###### All the section headings now use sans serif
+Input stdsections.inc
 
-# All the section headings now use sans serif
 Style Part
 	Align                 Left
 	TopSep                2
@@ -107,8 +102,16 @@ Style Description
 	EndFont
 End
 
+Input stdstarsections.inc
 
-# The \maketitle stuff is by default left justified.
+# There are no chapters in a paper.
+NoStyle                 Chapter
+NoCounter               chapter
+NoStyle                 Chapter*
+
+
+
+###### The \maketitle stuff is by default left justified.
 Style Title
 	Align                 Left
 	Font