Change highlight color scheme to red/blue and add note to the title page

paper/paper.tex

@@ -30,7 +30,7 @@
 \usepackage{float}
 
 \definecolor{highlightred}{rgb}{0.6 0.1 0.1}
-\definecolor{highlightgreen}{rgb}{0.12 0.4 0.07}
+\definecolor{highlightgreen}{rgb}{0.12 0.07 0.6}
 \DeclareSIUnit{\baud}{Bd}
 \DeclareSIUnit{\year}{a}
 \DeclareSIUnit{\rpm}{rpm}
@@ -66,6 +66,11 @@
             (HSM)\and FIPS 140-2/3\and ISO/IEC 24759\and PCI PTS HSM MSR}
 \maketitle
 
+\begin{center}
+    \textbf{Note:} This major revision has all shortened parts \color{highlightred}highlighted in red, \color{black}and
+    all parts that are new or that have large changes \color{highlightgreen}highlighted in blue.\color{black}
+\end{center}
+
 % FIXME maybe don't use HSM, maybe use active tamper sensing? envelope protection?
 
 \begin{abstract}