various small code cleanups and improvements

Largely refactoring work to make the code somewhat nicer to work with.

app/render/rendermodes.h

@@ -1,25 +1,24 @@
 #ifndef RENDERMODE_H
 #define RENDERMODE_H
 
-namespace olive {
-
-/**
- * @brief The primary different "modes" the renderer can function in
- */
-enum RenderMode {
+class RenderMode {
+public:
   /**
-   * This render is for realtime preview ONLY and does not need to be "perfect". Nodes can use lower-accuracy functions
-   * to save performance when possible.
+   * @brief The primary different "modes" the renderer can function in
    */
-  kOffline,
+  enum Mode {
+    /**
+     * This render is for realtime preview ONLY and does not need to be "perfect". Nodes can use lower-accuracy functions
+     * to save performance when possible.
+     */
+    kOffline,
 
-  /**
-   * This render is some sort of export or master copy and Nodes should take time/bandwidth/system resources to produce
-   * a higher accuracy version.
-   */
-  kOnline
+    /**
+     * This render is some sort of export or master copy and Nodes should take time/bandwidth/system resources to produce
+     * a higher accuracy version.
+     */
+    kOnline
+  };
 };
 
-}
-
 #endif // RENDERMODE_H