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

meta/app.rsf

@@ -1,12 +1,13 @@
 BasicInfo:
-  Title                   : "Anemone3DS"
+  Title                   : $(APP_TITLE)
   CompanyCode             : "00"
-  ProductCode             : "CTR-P-ANEM"
+  ProductCode             : $(APP_PRODUCT_CODE)
   ContentType             : Application
   Logo                    : Homebrew # Nintendo / Licensed / Distributed / iQue / iQueForSystem
 
 TitleInfo:
-  UniqueId                : 0xBAFE0
+  UniqueId                : $(APP_UNIQUE_ID)
+
   Category                : Application
   
 CardInfo:
@@ -34,7 +35,7 @@ SystemControlInfo:
   StackSize: 0x40000
   
 RomFs:
-    RootPath            : romfs
+    RootPath            : $(APP_ROMFS)
   
 # DO NOT EDIT BELOW HERE OR PROGRAMS WILL NOT LAUNCH (most likely)