Updated version numbers

Signed-off-by: Mike Bauer <Michael.Bauer2@broadcom.com>

Author: MikeBauerCA

COBOL Programming Course #1 - Getting Started/Front_Matter.tex

@@ -6,7 +6,7 @@ \section*{
   \\[35pt]
   \Huge COBOL Programming Course 1 \\[10pt]
   \Huge Getting Started \\[15pt]
-  \Large Version 3.0.0}\label{cobol-programming-course-1}}
+  \Large Version 3.1.0}\label{cobol-programming-course-1}}
 \end{center}
 
 \pagebreak

COBOL Programming Course #2 - Learning COBOL/Front_Matter.tex

@@ -6,7 +6,7 @@ \section*{
   \\[35pt]
   \Huge COBOL Programming Course 2 \\[10pt]
   \Huge Learning COBOL \\[15pt]
-  \Large Version 3.0.0}\label{cobol-programming-course-2}}
+  \Large Version 3.1.0}\label{cobol-programming-course-2}}
 \end{center}
 
 \pagebreak

COBOL Programming Course #3 - Advanced Topics/Front_Matter.tex

@@ -6,7 +6,7 @@ \section*{
   \\[35pt]
   \Huge COBOL Programming Course 3 \\[10pt]
   \Huge Advanced Topics \\[15pt]
-  \Large Version 3.0.0}\label{cobol-programming-course-3}}
+  \Large Version 3.1.0}\label{cobol-programming-course-3}}
 \end{center}
 
 \pagebreak