Update openslide.org links to use HTTPS

bgilbert · bgilbert · commit d0be76ace31b · 2018-05-05T13:41:08.000-04:00
diff --git a/LICENSE.txt b/LICENSE.txt
@@ -2,7 +2,7 @@ OpenSlide
 
 Carnegie Mellon University and others
 
-http://openslide.org/
+https://openslide.org/
 
 ====================
 
diff --git a/README.md b/README.md
@@ -1,7 +1,7 @@
 OpenSlide Java
 ==============
 
-This is a Java binding to [OpenSlide](http://openslide.org/).
+This is a Java binding to [OpenSlide](https://openslide.org/).
 
 Build requirements
 ------------------
