Update README.md, changed https to http to get a nicer look of the page.

README.md

@@ -10,7 +10,7 @@ If you are interested in the code, you should look at slicerNetwork.py which
 implements the communication with the server and forms HTTP Labkey API commands.
 
 More on setup can be found at:
-https://www-f9.ijs.si/~studen/blogs/posts/2017/May/31/slicerlabkey-integration/
+http://www-f9.ijs.si/~studen/blogs/posts/2017/May/31/slicerlabkey-integration/
 
 Enjoy!