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/tw_reboot.h b/tw_reboot.h
new file mode 100644
index 0000000..e04c0a7
--- /dev/null
+++ b/tw_reboot.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef REBOOT_H_
+#define REBOOT_H_
+
+typedef enum
+{
+    rb_current = 0,
+    rb_system, 
+    rb_recovery, 
+    rb_poweroff, 
+    rb_bootloader,     // May also be fastboot
+    rb_download,
+} RebootCommand;
+
+// tw_isRebootCommandSupported: Return 1 if command is supported, 0 if the command is not supported, -1 on error
+int tw_isRebootCommandSupported(RebootCommand command);
+
+// tw_setRebootMode: Set the reboot state (without rebooting). Return 0 on success, -1 on error or unsupported
+int tw_setRebootMode(RebootCommand command);
+
+// tw_reboot: Reboot the system. Return -1 on error, no return on success
+int tw_reboot(RebootCommand command);
+
+#endif  // REBOOT_H_
+
+
+