Enable the ability to run setting scripts that are executed after the scene has been loaded

include/openspace/engine/openspaceengine.h

@@ -86,7 +86,7 @@ public:
     void encode();
     void decode();
 
-
+    void runSettingsScripts();
 
 private:
     OpenSpaceEngine(std::string programName);
@@ -95,8 +95,9 @@ private:
 	void clearAllWindows();
 	bool gatherCommandlineArguments();
 	bool loadSpiceKernels();
-	void runStartupScripts();
 	void loadFonts();
+    void runScripts(const ghoul::Dictionary& scripts);
+    void runStartupScripts();
 	void configureLogging();
 
     static OpenSpaceEngine* _engine;
@@ -111,7 +112,6 @@ private:
 	double _dt;
 
 	SyncBuffer* _syncBuffer;
-
 };
 
 #define OsEng (openspace::OpenSpaceEngine::ref())

include/openspace/util/constants.h

@@ -47,6 +47,7 @@ namespace configurationmanager {
     const std::string keyConfigScene = "Scene";
 	const std::string keyEnableGui = "EnableGUI";
     const std::string keyStartupScript = "StartupScripts";
+    const std::string keySettingsScript = "SettingsScripts";
 	const std::string keySpiceTimeKernel = "SpiceKernel.Time";
 	const std::string keySpiceLeapsecondKernel = "SpiceKernel.LeapSecond";
 	const std::string keyLogLevel = "Logging.LogLevel";