Add wipe functions, compiles in CM7, text shows in UI, zips install

Zip install works, had to move mincrypt code into TWRP to prevent
a crash when checking the zip signature.
Added wipe functions
Made it compile in CM7
Made text show up in console and logging
diff --git a/Android.mk b/Android.mk
index 6d3be1d..6c6ee9b 100644
--- a/Android.mk
+++ b/Android.mk
@@ -38,7 +38,8 @@
     mtdutils/mtdutils.c \
     twinstall.cpp \
     twmincrypt/twrsa.c \
-    twmincrypt/twsha.c
+    twmincrypt/twsha.c \
+    twrp-functions.cpp
 
 ifeq ($(TARGET_RECOVERY_REBOOT_SRC),)
   LOCAL_SRC_FILES += reboot.c