Fix modos.c to compile for the STM32F4Discovery board (which doesn't have an sdcard)
Merge pull request #781 from dhylands/fix-disc

Fix modos.c to compile for the STM32F4Discovery board
stmhal: Add preliminary driver for ST32F4DISC accelerometer.

Written in Python, not currently working.  See issue #725.
stmhal: Add documentation for LCD; update docs for USB_VCP.
stmhal: Add more documentation for USB_VCP.
Fix teensy to work with the latest tree.
Merge pull request #784 from dhylands/fix-teensy-2014-08-02

Fix teensy to work with the latest tree.
stmhal: Document behaviour of usb_vcp_recv_byte.
Updated teensys usb.c and switched to using usb.h from stmhal.

Removed the local usb.h from teensey directory and now uses
the usb.h from the stmhal directory.
Fixed the deploy target to use abspath.
Merge pull request #786 from dhylands/fix-teensy-2014-08-03

Updated teensys usb.c and switched to using usb.h from stmhal.