Change to use server instead of localhost for browsers, and fix some bugs

modules/skybrowser/include/renderableskybrowser.h

@@ -61,6 +61,7 @@ namespace openspace {
         void setIdInBrowser(std::string id);
         float fieldOfView() const;
         std::deque<int>& selectedImages();
+        void setImageLayerOrder(int i, int order);
 
     protected:
 

modules/skybrowser/include/screenspaceskybrowser.h

@@ -36,6 +36,7 @@ namespace openspace {
         std::deque<int>& selectedImages();
         void addSelectedImage(ImageData& image, int i);
         void removeSelectedImage(ImageData& image, int i);
+        void setImageLayerOrder(int i, int order);
 
         // Translation
         //void translate(glm::vec2 translation);

modules/skybrowser/include/utility.h

@@ -50,6 +50,7 @@ namespace openspace {
         ghoul::Dictionary removeImageLayer(const std::string& imageId);
         ghoul::Dictionary setLayerOpacity(const std::string& imageId, double opacity);
         ghoul::Dictionary setForegroundOpacity(double val);
+        ghoul::Dictionary setLayerOrder(const std::string& id, int order);
     }
 }