chg: [contributing] fixing title page

a.0-contributing/content.tex

@@ -5,7 +5,7 @@
 \titlepage
 \end{frame}
 
-\begin{frame}[t,plain]
+\begin{frame}[fragile]
 \frametitle{Code of Conduct}
 \begin{itemize}
 \item The MISP project has a Contributor Covenant Code of Conduct\footnote{\url{https://github.com/MISP/MISP/code_of_conduct.md}}.
@@ -14,7 +14,7 @@
 \end{itemize}
 \end{frame}
 
-\begin{frame}[t,plain]
+\begin{frame}[fragile]
 \frametitle{Reporting a bug, an issue or suggesting features}
 \begin{itemize}
 \item The most common way to contribute to the MISP project is to report a bug, issues or suggesting features.
@@ -24,7 +24,7 @@
 \end{itemize}
 \end{frame}
 
-\begin{frame}[t,plain]
+\begin{frame}[fragile]
 \frametitle{Reporting security vulnerabilities}
 \begin{itemize}
 \item {\bf If you find security vulnerabilities (even minor ones) in MISP project, send an encrypted email} (info@circl.lu) with the details and especially how to reproduce the issues. Avoid to share publicly the vulnerability before a fix is available in MISP. PGP key fingerprint: CA57 2205 C002 4E06 BA70 BE89 EAAD CFFC 22BD 4CD5.
@@ -34,7 +34,7 @@
 \end{frame}
 
 
-\begin{frame}[t,plain]
+\begin{frame}[fragile]
 \frametitle{Automatic integration and testing}
 \begin{itemize}
 \item The majority of the repositories within the MISP GitHub organisation includes automatic integration with TravisCI.
@@ -48,7 +48,7 @@
 \end{itemize}
 \end{frame}
 
-\begin{frame}[t,plain]
+\begin{frame}[fragile]
 \frametitle{JSON validation for MISP libraries}
 \begin{itemize}
 \item All JSON format ({\bf galaxy, taxonomies, objects or warning-lists}) are described in a JSON Schema\footnote{schema\_name.json}.
@@ -62,7 +62,7 @@
 \end{itemize}
 \end{frame}
 
-\begin{frame}[t,plain]
+\begin{frame}[fragile]
 \frametitle{Documentation}
 \begin{itemize}
 \item In addition to the automatic generation of documentations from JSON files, we maintain {\bf misp-book}\footnote{\url{https://github.com/MISP/misp-book}} which is a generic documentation for MISP including usage, API documentation, best practices and specific configuration settings.
@@ -73,7 +73,7 @@
 \end{itemize}
 \end{frame}
 
-\begin{frame}[t,plain]
+\begin{frame}[fragile]
 \frametitle{Internet-Draft - IETF for MISP formats}
 \begin{itemize}
 \item If you want to contribute to our IETF Internet-Draft for the MISP standard, misp-rfc\footnote{\url{https://github.com/MISP/misp-rfc}} is the repository where to contribute.