Feature/globals handling (#1352)

* Cleaner handling of global state
* Prevent Lua memory corruption (closes #982)
* Initialize glfw first thing to prevent weird joystick loading bug during startup

modules/imgui/src/guigibscomponent.cpp

@@ -122,7 +122,7 @@ void GuiGIBSComponent::render() {
             "FilePath = {} }})",
             layer, xmlFunc
         );
-        global::scriptEngine.queueScript(
+        global::scriptEngine->queueScript(
             script,
             scripting::ScriptEngine::RemoteScripting::Yes
         );