loki updates:

- fix fstat could fail on getting open partition size
- sync latest sources to support new devices
- match original loki upsteram sources
- fix all loki_recovery compiler warnings
- one binary for all functions patch/flash/find
- Makefile and Android.mk to compile new multi-binary tool or lib
Change-Id: I050a673f39b32136c817b69c00939818696e2c56
Merge branch 'cm-11.0' of github.com:CyanogenMod/android_bootable_recovery into cm-11.0