provide better defaults for colortheme and two fontsizes

ChangeLog

@@ -1,6 +1,10 @@
 2018-10-09  Dirk Eddelbuettel  <edd@debian.org>
 
-	* DESCRIPTION (Version, Date): Rolled minor version 
+	* DESCRIPTION (Version, Date): Rolled minor version
+
+	* inst/rmarkdown/templates/monash/resources/template.tex: Provide
+	better fallbacks for fontsize, titlefontsize, colortheme
+	* inst/rmarkdown/templates/monash/skeleton/skeleton.Rmd: Idem
 
 2018-10-09  Rob Hyndman  <rob.hyndman@monash.edu>
 

inst/rmarkdown/templates/monash/resources/template.tex

@@ -1,6 +1,6 @@
 \PassOptionsToPackage{unicode=true}{hyperref} % options for packages loaded elsewhere
 \PassOptionsToPackage{hyphens}{url}
-\documentclass[$if(fontsize)$$fontsize$,$endif$$if(lang)$$babel-lang$,$endif$$if(handout)$handout,$endif$$if(colorlinks)$dvipsnames,$endif$$if(beamer)$ignorenonframetext,$endif$$for(classoption)$$classoption$$sep$,$endfor$]{$documentclass$}
+\documentclass[$if(fontsize)$$fontsize$,$else$14pt,$endif$$if(lang)$$babel-lang$,$endif$$if(handout)$handout,$endif$$if(colorlinks)$dvipsnames,$endif$$if(beamer)$ignorenonframetext,$endif$$for(classoption)$$classoption$$sep$,$endfor$]{$documentclass$}
 \setbeamertemplate{caption}[numbered]
 \setbeamertemplate{caption label separator}{: }
 \setbeamercolor{caption name}{fg=normal text.fg}
@@ -63,6 +63,8 @@ $endif$
 
 $if(colortheme)$
   \usecolortheme{$colortheme$}
+$else$
+  \usecolortheme{monashwhite}
 $endif$
 
 $if(fonttheme)$
@@ -71,6 +73,8 @@ $endif$
 
 $if(titlefontsize)$
   \setbeamerfont{title}{series=\bfseries,parent=structure,size=\fontsize{$titlefontsize$}{32}}
+$else$
+  \setbeamerfont{title}{series=\bfseries,parent=structure,size=\fontsize{22pt}{32}}
 $endif$
 
 $if(mainfont)$

inst/rmarkdown/templates/monash/skeleton/skeleton.Rmd

@@ -2,10 +2,7 @@
 title: Monash Beamer Class Demonstration
 author: Rob J Hyndman
 date: \today
-fontsize: 14pt
-titlefontsize: 22pt
 classoption: compress
-colortheme: monashblue
 toc: true
 output: binb::monash
 ---