Update link for downloading v3.1.0 in sourceforge

Author: mokun

index.html

@@ -460,11 +460,11 @@ <h2>Download</h2>
 								http://sourceforge.net/projects/mars-sim/files/mars-sim/3.07/MarsProject_3.07.tar.gz/download">
 								<i class="fa fa-archive fa-fw">   tarball</i></a></li>
 							 -->
-							 <!--
+							
 								<li>ii.  
-								<a href="https://sourceforge.net/projects/mars-sim/files/mars-sim/3.1.0/preview5/mars-sim-main-3.1.0-preview5.deb/download">
-								<i class="fa fa-linux fa-fw">   deb</i></a></li>
-							-->	
+								<a href="https://sourceforge.net/projects/mars-sim/files/mars-sim/3.1.0/official%20release/3.1.0_swing_java11.jar.7z/download">
+								<i class="fa fa-linux fa-fw">   7zip jar</i></a></li>
+								
 							<!--
 								<li>iii.  
 								<a href="https://mars-sim.github.io/webstart/mars-sim.jnlp">
@@ -483,9 +483,9 @@ <h2>Download</h2>
 
 
 							<p> Minimum Requirements :
-							<br/> 1. Dual Core Pentium/Celeron 1.5GHz or above
-							<br/> 2. 500 MB to 1.5 GB free RAM dedicated for running mars-sim
-							<br/> 3. 64-bit Oracle Java 11 (Oracle JRE/JDK 11 or openjdk 11)
+							<br/> a. Dual Core Pentium/Celeron 1.5GHz or above
+							<br/> b. 1.5 GB free RAM dedicated for running mars-sim
+							<br/> c. 64-bit Oracle Java 11 (Oracle JRE/JDK 11 or openjdk 11)
 
 							<footer>
 
@@ -501,7 +501,7 @@ <h2>Download</h2>
 								<h2>Development</h2>
 							</header>
 
-							<h3>A. Changes/Improvements in the upcoming release of v3.1.0</h3>
+							<h3>A. Changes/Improvements in v3.1.0</h3>
 
 							<p><h4>i. New Core Features :</h4>
 
@@ -597,7 +597,7 @@ <h2>Comment</h2>
 
 				<!-- Copyright -->
 					<ul class="copyright">
-							<li>&copy; Mars Simulation Project. By Scott Davis, 2017. All Rights Reserved.</li>
+							<li>&copy; Mars Simulation Project. By Scott Davis, 2020. All Rights Reserved.</li>
 							<li>Project Website by Manny Kung. Courtesy of <a href="http://html5up.net">HTML5 UP.</a></li>
 					</ul>