Added a function for the slave to print received data.
added board airfy beacon
Revert "cpu/cc2538: sbrk() checks if the requested memory is really available."

This reverts commit 81dea364a5b372ad1625181eff710c095420735c.
cpu/cc2538: Enable the CC2538's more compact alternate interrupt mapping.
Merge pull request #1930 from locicontrols/cc2538-altmap

cpu/cc2538: Enable the CC2538's more compact alternate interrupt mapping.
Merge pull request #1896 from mehlis/add_board_airfy_beacon

added board airfy beacon
cpu/stm32f1: fixes for the cpuid driver
drivers/at86rf231: change to PLL_ON to change address
drivers/at86rf231: print raw packet when DEBUG_ENABLED
drivers/at86rf231: frame_type has to be set by upper layers
examples/default: print 16bit addresses
shell/transceiver: set 16 bit addresses and frame type
added new board f4vi1
Merge pull request #1931 from thomaseichinger/stm32f1-cpuid

cpu/stm32f1: fixes for the cpuid driver
Merge pull request #1933 from StefanPfeiffer/add_board_f4vi1

board: added support for f4vi1
boards: adjusted TIMER_0 defines for NRF based b.

adjusted for
- pca10000
- pca10005
- yunjia-nrf51822
cpu/nrf51822: fixed timers

- changed TIMER_0 to be a 24-bit timer -> see Nordic PAN #32
- cleaned up timer initialization code
- added check if an interrupt channel was active
board/iot-lab_M3: added I2C ISR defines
cpu/stm32f1: fixes to i2c driver

- fixes BUSY on initialization
Merge pull request #1938 from haukepetersen/fix_stm32f1_morei2c

cpu/stm32f1: fixes to i2c driver