Feature/cleanup (#837)

* Style guide fixes
* Various cleanups
* Update SGCT

include/openspace/interaction/keybindingmanager.h

@@ -69,7 +69,7 @@ public:
     static scripting::LuaLibrary luaLibrary();
 
     void keyboardCallback(Key key, KeyModifier modifier, KeyAction action);
-    
+
     std::string generateJson() const override;
 
     const std::multimap<KeyWithModifier, KeyInformation>& keyBindings() const;

include/openspace/interaction/orbitalnavigator.h

@@ -114,7 +114,7 @@ private:
     // Anchor: Node to follow and orbit.
     properties::StringProperty _anchor;
 
-    // Aim: Node to look at (when camera direction is reset), 
+    // Aim: Node to look at (when camera direction is reset),
     // Empty string means same as anchor.
     // If these are the same node we call it the `focus` node.
     properties::StringProperty _aim;

include/openspace/scripting/scriptengine.h

@@ -95,7 +95,7 @@ public:
         ScriptCallback cb = ScriptCallback());
 
     std::vector<std::string> allLuaFunctions() const;
-    
+
     std::string generateJson() const override;
 
 private:

include/openspace/util/factorymanager.h

@@ -110,7 +110,7 @@ public:
      */
     template <class T>
     ghoul::TemplateFactory<T>* factory() const;
-    
+
     std::string generateJson() const override;
 private: