Various code cleanup

include/openspace/documentation/documentationengine.h

@@ -105,7 +105,7 @@ public:
     * will just contain one item, but some modules may wish to provide
     * multiple templates for subtypes, etc
     */
-    void writeDocumentationHtml(const std::string path, const std::string data);
+    void writeDocumentationHtml(const std::string& path, std::string data);
 
     std::string generateJson() const override;
 

include/openspace/engine/openspaceengine.h

@@ -117,7 +117,7 @@ private:
 
     //grabs json from each module to pass to the documentation engine.
     std::string _documentationJson;
-    
+
     ShutdownInformation _shutdown;
 
     // The first frame might take some more time in the update loop, so we need to know to

include/openspace/interaction/sessionrecording.h

@@ -283,7 +283,7 @@ private:
     bool _playbackActive_script = false;
     bool _hasHitEndOfCameraKeyframes = false;
     bool _setSimulationTimeWithNextCameraKeyframe = false;
-    
+
     bool _saveRenderingDuringPlayback = false;
     double _saveRenderingDeltaTime = 1.0 / 30.0;
     double _saveRenderingCurrentRecordedTime;

include/openspace/rendering/framebufferrenderer.h

@@ -91,7 +91,7 @@ public:
 
     void update() override;
     void performRaycasterTasks(const std::vector<RaycasterTask>& tasks);
-    void performDeferredTasks(const std::vector<DeferredcasterTask>& tasks, 
+    void performDeferredTasks(const std::vector<DeferredcasterTask>& tasks,
         float blackoutFactor);
     void render(Scene* scene, Camera* camera, float blackoutFactor) override;