new one sleep / deepsleep and timer wakeup sample code

Dependencies:   WakeUp mbed

History

leverage https://developer.mbed.org/users/Sissors/code/WakeUp/; and original sleep sample code to make new one default tip

2014-11-27, by joshchen [Thu, 27 Nov 2014 03:12:02 +0000] rev 0

leverage https://developer.mbed.org/users/Sissors/code/WakeUp/; and original sleep sample code to make new one