Implemented resource manager which can load textures and levels.

Implemented script to generate Resources.g.h file linking assets to code.
Added assets from old project.

src/resources/Resources.g.h

@@ -0,0 +1,46 @@
+// WARNING: This file is auto generated by the build/prepareAssets.py script.
+#ifndef STORAGE_RESOURCES_G_H_
+#define STORAGE_RESOURCES_G_H_
+
+#include <resources/ResourceInfo.h>
+
+namespace farmlands {
+namespace resources {
+
+    /**
+     * This namespace contains all the resource IDs, used by the resource manager.
+     * The IDs are generated at build time by the 'prepareAssets.py' script.
+     */
+    namespace R {
+        enum Fonts
+        {
+            DejaVuSans = 0,
+        };
+        enum Tilesets
+        {
+            Ground = 1,
+        };
+        enum Levels
+        {
+            Farm_Background = 2,
+            Farm = 3,
+        };
+    }
+
+    const int RInfo_Fonts_Begin = 0;
+    const int RInfo_Tilesets_Begin = 1;
+    const int RInfo_Levels_Begin = 2;
+
+    /**
+     * This array contains the names of all the files, and the corresponding file type.
+     */
+    const ResourceInfo RInfo[] = {
+        { "fonts/DejaVuSans.ttf", ResourceType::Font },
+        { "tilesets/Ground.png", ResourceType::Texture },
+        { "levels/Farm_Background.csv", ResourceType::LevelLayer },
+        { "levels/Farm.level", ResourceType::Level },
+    };
+
+}
+}
+#endif /* STORAGE_RESOURCES_G_H_ */