Automate building the menuhax 3dsx and copying the pathchanger stuff

menuhax/menuhax.diff

@@ -0,0 +1,11 @@
+diff -uNr a/source/main.c b/source/main.c
+--- a/source/main.c	2016-09-11 01:04:25.665231884 +0200
++++ b/source/main.c	2016-09-14 12:36:28.601439550 +0200
+@@ -9,6 +9,7 @@
+ #endif
+ 
+ int main (void) {
++    svcSleepThread(2500 * 1000000ULL);
+     if (brahma_init()) {
+         if (load_arm9_payload_offset("/" LAUNCHER_PATH, 0x12000, 0x10000) != 1)
+             goto error;