Kenji Arai / Mbed 2 deprecated GR-PEACH_test_on_rtos_works_well

use mbed-src latest version and everything works well. RTC is also fine.

Dependencies:   L3GD20 LIS3DH TextLCD mbed-rtos mbed

Use standard library mbed & mbed-rtos (GR-PEACH can run without mbed-src and special mbed-rtos).

Diff: mbed-src.lib

Revision:
8:4006b111c0d4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-src.lib	Sat Feb 07 21:25:10 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed-src/#12a9a5f8fea0