added a api to manage the power supplies of peripheral power supplies and level shifters
address coding style concerns of some individuals
[NUCLEO_F302R8] Add I2C slave, enhance I2C master
Added NUCLEO L053R8 to SD test definitions
Added TARGET_LPC11U68 to timer/ticker/eeprom tests
Code indentation only
typo
K20D5(0)M SPI code

Other pinouts still need to be done. PTC6 as MOSI possibly has issues.
There are also some changes which technically aren't required, but were
made in the search to why on earth it wasn't doing anything.
[NUCLEO_F030R8] enhance I2C master
[NUCLEO_F302R8] indentation correction in I2C api
Fix exporters on UBLOX_C027

Temporary solution, until the exporter infrastructure is modified
to support proper target aliasing/inference.
Update Exporter README
Add NRF51822 to exporter readme
[NUCLEO_F302R8] enhance SPI slave
Bumped revision number
Added LPC11U68 to the official build
Add support for GCC_ARM toolchain in target STM32F103RB
Removed BLE related code to github

As part of transitioning to mbed.org, the BLE code is now only available
on mbed.org:

http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/
http://mbed.org/teams/Nordic-Semiconductor/code/nRF51822/
remove BLE related tests;
They were only demos; not real tests.
SD card test updated with 11U68 pinology