Custom init script support with Omni extras

Based on a stripped-down version of Cyanogenmod's initscript extras

Change-Id: I5d4dc3da437f6fe3a86d5dada563c1df8d20c902
diff --git a/prebuilt/etc/init.local.rc b/prebuilt/etc/init.local.rc
new file mode 100644
index 0000000..677f570
--- /dev/null
+++ b/prebuilt/etc/init.local.rc
@@ -0,0 +1,21 @@
+# Omni Extras
+
+on init
+    export ANDROID_CACHE /cache
+    export TERMINFO /system/etc/terminfo
+    export TERM linux
+
+on post-fs-data
+    mkdir /cache/dalvik-cache 0771 system system
+    chown system system /cache/dalvik-cache
+    chmod 0771 /cache/dalvik-cache
+    mkdir /data/.ssh 0750 root shell
+
+    # Run sysinit
+    start sysinit
+
+# sysinit (/system/etc/init.d)
+service sysinit /system/bin/sysinit
+    user root
+    oneshot
+    disabled