TWRP-ify AOSP code

Pull in most TWRP sources
Stub out partition management code
Make it compile -- probably will not boot
Kind of a mess but have to start somewhere
diff --git a/prebuilt/relink.sh b/prebuilt/relink.sh
new file mode 100755
index 0000000..4e9445a
--- /dev/null
+++ b/prebuilt/relink.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+process_file()
+{
+    dst=$1/$(basename $2)
+    src=$2
+    if [ $dst == $src ]; then
+      cp -f -p $src $src.tmp
+      src=$2.tmp
+    else
+      cp -f -p $src $dst
+    fi
+
+    sed "s|/system/bin/linker\x0|/sbin/linker\x0\x0\x0\x0\x0\x0\x0|g" $src | sed "s|/system/bin/sh\x0|/sbin/sh\x0\x0\x0\x0\x0\x0\x0|g" > $dst
+
+    if [ $1 == $(dirname $2) ]; then
+      rm -f $src
+    fi
+}
+
+
+dest=$1
+shift 1
+for ARG in $*
+do
+    process_file $dest $ARG
+done