Added Creative Commons license to home page footer and Contact page, …

…because our use of Leaflet requires this. Added feedback link to home page footer.

about/contact/index.html

@@ -44,6 +44,8 @@ <h2>Contact</h2>
 			Information on file format requirements can be found on the <a href="/about/instructions">Instructions Page</a>. 
 			<br />
 			All source code for this project can be found on <a href="https://github.com/sbabicki/heatmapper" target="_blank">GitHub</a>.
+			<br />
+			License: <a href="http://creativecommons.org/licenses/by-sa/2.0/" target="_blank">Creative Commons Attribution-ShareAlike 2.0 Generic</a>
 		</div>
 	</body>
 </html>

index.html

@@ -436,5 +436,10 @@ <h4>About</h4>
 			</div>
 
 		</div>
+
+		<div style="font-size: small; text-align:center;">
+		Questions or comments? Please use our <a href="http://feedback.wishartlab.com/?site=heatmapper" target="_blank">feedback page</a>.
+		License: <a href="http://creativecommons.org/licenses/by-sa/2.0/" target="_blank">CC-BY-SA</a>
+		</div>
     </body>
 </html>