Citro2d switch (#175)

* Switch from pp2d to citro2d

* Fix various bugs by updating libarchive

* Begin work on translation infrastructure

* Switch to libpng for various improvements

* Fixed race condition in icon scrolling

* Use spritesheets to load sprites marginally faster and use less memory

* Various Readme fixes

* Huge improvements to QR reader speed and screen tearing

* Don't try to preview themes/splashes when there are none

* Prevent playing audio when ndspInit() fails

* Don't wait for audio to load before displaying preview

* Fix bug when shuffle themes didn't have BGM

* Fix bug caused by files not being zeroed out when created

include/colors.h

@@ -27,17 +27,23 @@
 #ifndef COLORS_H
 #define COLORS_H
 
-#define ABGR8(a, b, g, r) ((((a)&0xFF)<<0) | (((b)&0xFF)<<8) | (((g)&0xFF)<<16) | (((r)&0xFF)<<24))
-#define RGBA8(r, g, b, a) ((((r)&0xFF)<<0) | (((g)&0xFF)<<8) | (((b)&0xFF)<<16) | (((a)&0xFF)<<24))
+#include "common.h"
 
-typedef enum {
-    COLOR_BACKGROUND = ABGR8(255, 32, 28, 35), //silver-y black
-    COLOR_ACCENT = RGBA8(55, 122, 168, 255),
-    COLOR_WHITE = RGBA8(255, 255, 255, 255),
-    COLOR_CURSOR = RGBA8(200, 200, 200, 255),
-    COLOR_BLACK = RGBA8(0, 0, 0, 255),
-    COLOR_RED = RGBA8(200, 0, 0, 255),
-    COLOR_YELLOW = RGBA8(239, 220, 11, 255),
-} Color;
+typedef u32 Color;
+
+enum {
+    COLOR_BACKGROUND, //silver-y black
+    COLOR_ACCENT,
+    COLOR_WHITE,
+    COLOR_CURSOR,
+    COLOR_BLACK,
+    COLOR_RED,
+    COLOR_YELLOW,
+
+    COLOR_AMOUNT,
+} Colors_e;
+
+extern Color colors[COLOR_AMOUNT];
+void init_colors(void);
 
 #endif