restructure toc and title calls, enable titlepage

lecture.cls

@@ -1,5 +1,5 @@
 \ProvidesClass{lecture}
-\LoadClass[a4paper]{article}
+\LoadClass[a4paper, titlepage]{article}
 
 \RequirePackage[utf8]{inputenc}
 \RequirePackage[T1]{fontenc}
@@ -20,6 +20,7 @@
 
 \usetikzlibrary{quotes, angles}
 
+\DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}}
 \DeclareOption{uebung}{
     \makeatletter
     \lhead{\@title}

ws2019/ana/lectures/analysis.tex

@@ -1,4 +1,4 @@
-\documentclass{../../../lecture}
+\documentclass[titlepage]{../../../lecture}
 
 \usepackage{standalone}
 \usepackage{tikz}
@@ -9,6 +9,11 @@
 
 \begin{document}
 
+\maketitle
+
+\tableofcontents
+\newpage
+
 \input{analysis1-2.tex}
 \input{analysis3.tex}
 \input{analysis4.tex}

ws2019/ana/lectures/analysis1-2.tex

@@ -2,12 +2,6 @@
 
 \begin{document}
 
-\maketitle
-
-\newpage
-\tableofcontents
-\newpage
-
 \section{Grundlagen}
 
 \subsection{Mengen und Aussagen}